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Permanent staff

Professor Les Underhill

Director; ecological applications of statistics
Dr Birgit Erni

Spatial ecological modeling

Dr Tony Williams

Seabird and shorebird monitoring
Vincent Ward

Seabird and shorebird monitoring

Contract research staff

Marius Burger

Reptile atlasing

John Cooper

Seabird ornithology

Dr Marienne de Villiers

Behavioural response to disturbance

Doug Harebottle

Monitoring projects

James Harrison

Avian inventory and monitoring projects; biodiversity conservation

Sue Kuyper

Logistical support

René Navarro

Wader ecology; ecosystem modelling; information systems

Dr Dieter Oschadleus

Information systems; weaverbird biology
Marius Wheeler

Monitoring projects

Donella Young

Monitoring projects

Honorary Associate Professors

Robert MJ Crawford

Principal Scientist, Marine and Coastal Management (DEAT)

Honorary Research Associates

David Allan

Ecology of storks, cranes, bustards and birds of prey

Warwick Tarboton

Wetland and grassland ornithology

Tony Tree

Wader ecology

Peter Barham

Penguin band research

Henk Visser

Isotope research

Terence Oatley

Migration studies
Vincent Parker

Bird atlas mapping

Christopher Lotz

Birding ecotourism

Distinguished visitors

Dr Peter Barham

Dept of Physics, University of Bristol, UK – new materials for penguin flipper bands
Dr Duncan Bolton

Curator, Bristol Zoo

Dr Albert Beintema

Altera Green World Research, Wageningen, Netherlands

Dr Kees Camphuysen

Netherlands Institute for Sea Research, Texel, Netherlands

Dr Eduardo Bicardo

Dept of Zoology, University of Sao Paulo, Brazil

Contact Details

Postal address: Avian Demography Unit, University of Cape Town, Private Bag X3,

Rondebosch, 7701

Telephone: [phone]

Fax: [phone]

E-mail: [e-mail]

Web: www.aviandemographyunit.org

Research Output
ARTICLES IN PEER-REVIEWED JOURNALS
Altwegg, R. and Underhill, L.G. 2006. Apparent survival rates for Cape Sugarbirds Promerops cafer at a breeding and a non-breeding site. Ostrich, 77: 218-222.
Altwegg, R., Eng, M., Caspersen, S. and Anholt, B.R. 2006. Functional response and prey defense level in an experimental predator-prey system. Evolutionary Ecology Research, 8: 115-128.
Altwegg, R., Roulin, A., Kestenholz, M. and Jenni, L. 2006. Demographic effects of extreme winter weather on barn owl. Oecologia, 149: 44-51.
Ardington, C.S., Lam, D., Leibbrandt, M.V. and Welch, M.J. 2006. The sensitivity to key data impuatations of recent estimates of income poverty and inequality in South Africa. Economic Modelling, 23: 822-835.
Barham, P.J., Crawford, R.J.M., Underhill, L.G., Wolfaardt, A.C., Barham, B.J., Dyer, B.M., Leshoro, T.M., Meyer, M.A., Navarro, R.A., Oschadleus, H.D., Upfold, l., L., Whittington, P.A. and Williams, A.J. 2006. Return to Robben Island of African Penguins that were rehabilitated, relocated or reared in captivity following the Treasure oil spill of 2000. Ostrich, 77(3-4): 202-209.
Barnes, K.I., Little, F., Smith, P.J., Evans, A., Watkins, W.M. and White, N.J. 2006. Sulfadoxine-pyrimethamine pharmokinetics in malaria: Pediatric dosing implications. Clinical Pharmacology and Therapeutics, 80(6): 582-596.
Barr, G.D.I. and Sharp, L.J. 2006. The economics of democracy in resource-producing countries. Journal for Studies in Economics and Econometrics, 30(1): 41-58.
Bize, P., Klopfenstein, A., Gasparini, J., Altwegg, R. and Roulin, A. 2006. Melanin-based coloration is a non-directionally selected sex-specific signal of offspring development in the Alpine Swift. Evolution, 60: 2370–2380.
Bruinzeel, L.W. 2006. Intermittent breeding as a cost of site fidelity. Behavioral Ecology and Sociobiology, 61(4): 551–556.
Case, A. and Ardington, C.S. 2006. The Impact of Parental Death on School Outcomes: Longitudinal Evidence From South Africa. Demography, 43(3): 401-420.
Clark, A.E. and Daniel, T.- J. 2006. Forecasting South African house prices. Investment Analysts Journal, 64: 27-33.
Clark, A.E. and Troskie, C.G. 2006. Regression and ICOMP - a simulation study. Communications in Statistics-Simulation and Computation, 35(3): 591-603.
Clark, A.E. and Troskie, C.G. 2006. Ridge regression - a simulation study. Communications in Statistics-Simulation and Computation, 35(3): 605-619.
Clark, A.E. and Troskie, C.G. 2006. Stability modelling of South African stock returns. African Finance Journal, 8(2): 67-78.
Cooper, J. 2006. Nelson JB. 2005. Pelicans, cormorants and their relatives. Oxford: Oxford University Press. IBIS, 148: 837.
Cooper, J., Baker, G.B., Double, M.C., Gales, R., Papworth, W., Tasker, M.L. and Waugh, S.M. 2006. The agreement on the conservation of albatrosses and petrels: rationale, history, progress and the way forward. Marine Ornithology, 34: 1-5.
Cooper, J. and Brooke, M. de L. 2006. Global seabird conservation: threats and opportunities. Acta Zoologica Sinica, 52 (Supplement): 638.
Cooper, J., Oschadleus, H.D. and Underhill, L.G. 2006. Waders and other coastal birds of Shi Jiu Tuo ("Happy Island"), Bohai Wan, Yellow Sae, China: A potential Ramsar Wetland of International Importance. Wader Study Group Bulletin, 110: 67-68.
Crawford, R.J.M., Barham, P.J., Underhill, L.G., Shannon, L.J., Coetzee, J., Dyer, B.M., Leshoro, T.M. and Upfold, L. 2006. The influence of food availability on breeding success of African Penguins Spheniscus demersus at Robben Island, South Africa. Biological Conservation, 132: 119-125.
Crawford, R.J.M., Cooper, J., Dyer, B.M. and Underhill, L.G. 2006. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults. CCAMLR Science, 13: 175-190.
Crawford, R.J.M., Hemming, M., Kemper, J., Klages, N.T.W., Randall, R.M., Underhill, L.G., Venter, A.D., Ward, V.L. and Wolfaardt, A.C. 2006. Molt of African Penguin, Spheniscus demersus, in relation to its breeding season and food availability. Acta Zoologica Sinica, 52(Supplement): 444–447.
De Bruyn, P.J.N., Hofmeyr, G.J.G. and De Villiers, M. 2006. First record of a vagrant Commerson's dolphin Cephalorhynchus commersonii at the southern African continental shelf. African Zoology, 41: 131-133.
De Villiers, M., Bause, M.S., Giese, M. and Fourie, A. 2006. Hardly hard-hearted: Heart rate responses of incubating Northern Giant Petrels (Macronectes halli) to human disturbance on sub-Antarctic Marion Island. Polar Biology, 29: 717-720.
Distiller, L.A., Joffe, B.I., Melville, V., Welman, T. and Distiller, G. 2006. Carotid artery intima-media complex thickening in patients with relatively long-surviving type 1 diabetes mellitus. Journal of Diabetes and its Complications, 20: 280-284.
Durbach, I.N. 2006. A simulation-based test of stochastic multicriteria acceptability analysis using achievement functions. European Journal of Operational Research, 170: 923-934.
Fernander, A.F., Flisher, A.J., King, G., Price, M., Chalton, D.O. and Lombard, C. 2006. Smoking and depression among youth in Cape Town, South Africa. Ethnicity & Disease, 16: 41-50.
Govindarajulu, P., Altwegg, R. and Anholt, B.R. 2005. Matrix model investigation of invasive species control: Bullfrogs on Vancouver Island. Ecological Applications, 15: 2161-2170.
Guo, R. 2006. Grey envelop quality control charts. Journal of Quality, 13(4): 401-410.
Guo, R. and Dunne, T.T. 2006. Grey predictive control charts. Communications in Statistics – Theory and Methods, 35(10): 1857-1868.
Guo, R. and Love, C.E. 2006. Grey repairable system analysis. International Journal of Automation and Computing, 3(2): 131-144.
Guo, D., Guo, R. and Thiart, C. 2006. The coupling of regression model and differential equation model in GM(1,1) modeling and extended GM(1,1) models . Journal of Grey System, 9(2): 143-154.
Liu, G., Rosenberger, W.F. and Haines, L.M. 2006. Sequential designs for logistic phase I clinical trials. Journal of Biopharmaceutical Sciences, 16: 605-621.
Mahomed, H., Hughes, E.J., Hawkridge, T., Minnies, D., Simon, E., Little, F., Hanekom, W.A., Geiter, L. and Hussey, G.D. 2006. Comparison of Mantoux skin test with three generations of a whole blood IFN-g assay for tuberculosis infection. International Journal of Tuberculosis and Lung Disease, 10(3): 310-316.
Makhado, A.B., Crawford, R.J.M. and Underhill, L.G. 2006. Impact of predation by Cape Fur Seals Arctocephalus pusillus on Cape Gannets Morus capensis at Malgas Island, Western Cape, South Africa. African Journal of Marine Science, 28: 681–687.
Mayosi, B.M., Kardos, A., Davies, C.H., Gumedze, F.N., Hovnanian, A., Burge, S. and Watkins, H. 2006. Heterozygous disruption of SERCA2a is not associated with impairment of cardiac performance in man: implications for SERCA2a as a therapeutic target in heart failure. Heart, 92: 102-109.
Mayosi, B.M., Wiysonge, C.S., Ntsekhe, M., Volmink, J., Gumedze, F.N., Maartens, G., Aje, A., Thomas, B.M., Thomas, K.M., Awotedu, A.A., Thembela, B., Mntla, P., Maritz, F., Blackett, K.N., Nkouonlack, D.C., Burch, V., Rebe, K., Parish, A., Sliwa, K., Vezi, B.Z., Alam, N., Brown, B., Gould, T., Visser, T., Shey, M.S., Magula, N.P. and Commerford, P.J. 2006. Clinical characteristics and initial management of patients with tuberculous pericarditis in the HIV era: The investigation of the management of pericarditis in Africa (IMPI Africa) registry. BMC Infectious Diseases, 6(2). [Online]. http://www.biomedcentral.com/1471-2334/6/2.
Mecenero, S., Kirkman, S.P. and Roux, J.P. 2006. A refined fish consumption model for lactating Cape Fur Seals Arctocephalus pusillus pusillus based on scat analyses. ICES Journal of Marine Science, 63: 1551-1566.
Mecenero, S., Roux, J.P., Underhill, L.G. and Bester, M.N. 2006. The diet of Cape Fur Seals Arctocephalus pusillus pusillus at three mainland breeding colonies in Namibia. 1. Spatial variation. African Journal of Marine Science, 28: 57-71.
Mecenero, S., Roux, J.P., Underhill, L.G. and Kirkman, S.P. 2006. The diet of Cape Fur Seals Arctocephalus pusillus pusillus at three mainland breeding colonies in Namibia. 2. Temporal variation. African Journal of Marine Science, 28: 73-88.
Njamnshi, A.K., Blackett, K.N., Mbuagbaw, J.N., Gumedze, F.N., Gupta, S. and Wiysonge, C.S. 2006. Chronic Chlamydia pneumoniae infection and stroke in Cameroon: A case control study. Stroke, 37: 796-799.
Nyirenda, J.C. 2006. A rescheduling heuristic for the single machine total tardiness problem. ORION: Operations Research in South Africa, 22(1): 77-87.
Oschadleus, H.D. and Underhill, L.G. 2006. Breeding seasonality and primary moult in weavers in eastern South Africa. Durban Museum Novitates, 31: 24-31.
Oschadleus, H.D. and Underhill, L.G. 2006. Breeding seasonality and primary moult parameters of Euplectes species in South Africa. Ostrich, 77(3-4): 142-152.
Oschadleus, H.D. and Underhill, L.G. 2006. Range expansion of the Red-billed Quelea, Quelea quelea, into the Western Cape, South Africa. South African Journal of Science, 102: 12-14.
Parsons, N.J., Tjorve, K.M.C., Underhill, L.G. and Strauss, V. 2006. The rehabilitation of Swift Terns Sterna bergii incapacitated by marine foam on Robben Island, South Africa. Ostrich, 77: 95-98.
Paterson, B. 2006. Letters: Buddhism's metaphysical basis for interdependence . Bioscience, 56(10): 789-789.
Petersen, S.L., Branch, G.M., Ainley, D.G., Boersma, P.D., Cooper, J. and Woehler, E.J. 2005. Is flipper banding of penguins a problem? Marine Ornithology, 33(2): 75-79.
Petersen, S.L., Branch, G.M., Crawford, R.J.M., Cooper, J. and Underhill, L.G. 2005. The future for flipper banding African Penguins: Discussion, guidelines and recommendations. Marine Ornithology, 33: E1-E4.
Rawoot, A., Little, F. and Heckman, J. 2006. Risk of malignancy in myasthenia gravis patients exposed to azathioprine therapy for a median period of 3 years. South African Medical Journal, 96(12): 1249-1251.
Ryan, P.G., Nel, D.C. and Cooper, J. 2006. Reducing longline mortality in seabirds: a South African perspective. Acta Zoologica Sinica, 52(suppl): 645-648.
Serra, L. and Underhill, L.G. 2006. The regulation of primary moult speed in the Grey Plover, Pluvialis squatarola. Proceedings of the 23rd International Ornithological Congress, Beijing, China. Acta Zoologica, 52(suppl): 451-455.
Serra, L., Clark, N.A. and Clark, J.A. 2006. Primary moult, body mass and migration of Grey Plovers Pluvialis squatarola in Britain. Ibis, 148: 292-301.
Stankiewicz, J.M., Thiart, C., Masters, J.C. and De Wit, M.J. 2006. Did lemurs have sweepstake tickets? An exploration of Simpson's model for the colonization of Madagascar by mammals. Journal of Biogeography, 33: 221-235.
Swanepoel, D., Underhill, L.G., Harebottle, D.M., Wheeler, M.J. and Williams, A.J. 2006. Waterbirds at the Theewaterskloof Dam, Western Cape, South Africa, 1993-2005. Ostrich, 77(3-4): 170-174.
Tjorve, K.M.C. and Underhill, L.G. 2006. Population increase of African Black Oystercatchers Haematopus moquini on Robben Island, South Africa. Ostrich, 77: 229-232.
Underhill, L.G. 2006. An overview of the life spiral of the Curlew Sandpiper Calidris ferruginea. International Wader Studies, 19: 205–208.
Underhill, L.G. 2006. Key publications relating to the Curlew Sandpiper Calidris ferruginea. International Wader Studies, 19: 209–211.
Underhill, L.G. and Serra, L. 2006. New directions in avian moult ecology. Proceedings of the 23rd International Ornithological Congress, Beijing, China. Acta Zoologica Sinica, 52: 439.
Underhill, L.G., Crawford, R.J.M., Wolfaardt, A.C., Whittington, P., Dyer, B.M., Leshoro, T.M., Ruthenberg, M., Upfold, L. and Visagie, J. 2006. Regionally coherent trends in colonies of African penguins Spheniscus demersus in the Western Cape, South Africa, 1987-2005. African Journal of Marine Science, 28(3-4): 697-704.
Underhill, L.G., Serra, L. and Brandão, A.D.G. 2006. Progress with the statistical analysis of primary moult. Proceedings of the 23rd International Ornithological Congress, Beijing, China. Acta Zoologica Sinica, 52(suppl): 440-443.
Van de Pol, M., Bruinzeel, L.W., Heg, D., Van der Jeugd, H.P. and Verhulst, S. 2006. A silver spoon for a golden future: long-term effects of natal origin on fitness prospects of oystercatchers (Haematopus ostralegus). Journal of Animal Ecology, 75: 616-626.
Van de Pol, M., Heg, D., Bruinzeel, L.W., Kuijper, B. and Verhulst, S. 2006. Experimental evidence for a causal effect of pair bond duration on reproductive performance in oystercatchers (Haematopus ostralegus). Behavioral Ecology, 17: 982-991.
Van Kooten Niekerk, N.K., Knies, M.M., Howard, J., Rabie, H., Zeier, M., Van Rensburg, A., Frans, N., Schaaf, H.S., Fatti, G.L., Little, F. and Cotton, M.F. 2006. The first 5 years of the family clinic for HIV at Tygerberg Hospital: Family demographics, survival of children and early impact of antiretroviral therapy. Journal of Tropical Pediatrics, 52(1): 3-11.
Ward, V.L. 2006. Austral winter records of the Grey Phalarope Phalaropus fulicarius in southern Africa. Wader Study Group Bulletin, 109: 123–124.
Williams, A.J. 2006. Arrival and departure periods of Ruddy Turnstones from an especially favoured Namibian coastal locality. Wader Study Group Bulletin, 109: 92–94.
Williams, A.J. 2006. Bi-solstice breeding peaks of White-fronted Plovers Charadrius marginatus in an equable coastal environment. Wader Study Group Bulletin, 109: 88–91.
Williams, A.J. and Simmons, R.E. 2006. The status of Curlew Sandpipers Calidris ferruginea on the Namib coast. International Wader Studies, 19: 156–159.
Williams, A.J. and Ward, V.L. 2006. Sacred Ibis and Grey Heron predation of Cape Cormorant eggs and chicks; and a review of ciconiiform birds as seabird predators. Waterbirds, 29(3): 321-327.

CHAPTERS IN BOOKS
Cooper, J. 2006. Cormorants. In B. Riffenburgh (ed.), Encyclopedia of the Antarctic: 297-301. New York: Routledge.
Cooper, J. 2006. Gough Island. In B. Riffenburgh (ed.), Encyclopedia of the Antarctic: 471-472. New York: Routledge.
Cooper, J. 2006. Seabird conservation. In B. Riffenburgh (ed.), Encyclopedia of the Antarctic: 861–866. New York: Routledge.
Cooper, J. 2006. Yellow-nosed albatross. In B. Riffenburgh (ed.), Encyclopedia of the Antarctic: 1103–1104. New York: Routledge.
Haines, L.M. 2006. Chapter 11: Evaluating the performance of non-standard designs: The San Cristobal Design. In A.I. Khuri (ed.), Response Surface Methodology and Related Topics: 251-281. Singapore: World Scientific Publishing Co.
Thiart, C. and De Wit, M.J. 2006. Fingerprinting the metal endowment of early continental crust to test for secular changes in global mineralization. In S.E. Kesler and H. Ohmoto (eds), Evolution of early Earth’s atmosphere, hydrosphere and biosphere – constraints from ore deposits. Geological Society of America Memoir 198: 53-66.
Thiart, C., Bonham-Carter, G.F., Agterberg, F.P., Cheng, Q. and Panahi, A. 2006. An application of the new omnibus test for conditional independence in weights-of-evidence modelling. In J. Harris and D. Wright (eds), GIS for the Earth Sciences, Geological Association of Canada (GAC) Special Publication #44, 2006: 131-142. Canada: Geological Association of Canada.

PEER-REVIEWED PUBLISHED CONFERENCE PROCEEDINGS
Anderson, R. and Guo, R. 2006. Pricing Bermudan-Style call options on JSE Overall Share Index using Hidden Markov Models. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1279-1283. Nagoya Institute of Technology. ISBN 0-9654506-2-7.
Anderson, R. and Guo, R. 2006. Pricing European-Style call options on JSE Overall Share Index using Hidden Markov Models. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of the 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1284-1289. ISBN 0-9654506-2-7.
Cooper, J. 2006. Potential impacts of marine fisheries on migratory waterbirds of the Afrotropical Region: A study in progress. In G.C. Boere, C.A. Galbraith and D.A. Stroud (eds), Waterbirds around the World. The Stationery Office, April 2004, Edinburgh, Scotland, 760–764. ISBN 01-4973-334.
Cooper, J., Burle, M.-H., Cuthbert, R., Hilton, G., Sanders, S., Sommer, E., Wilson, J., Ryan, P., Wanless, R., Angel, A., Glass, J. and Brown, D. 2006. Seabird colonies of ACAP species and current management at Tristan. In Falklands Conservation (ed.), Albatross and petrels in the South Atlantic: Conservation priorities. Proceedings of an International Meeting for UK Overseas Territories, 12–16 March 2006, Falkland Islands, 72–73. Stanley: Falklands Conservation. ISBN 13: 987-0-95383-717-5.
Cooper, J., Glass, J. and Hentley, M. 2006. The relevance of the agreement on the conservation of albatrosses and petrels to the United Kingdom overseas territory of Tristan da Cunha. In Falklands Conservation (ed.), Albatross and petrels in the South Atlantic: Conservation priorities. Proceedings of an International Meeting for UK Overseas Territories, 12–16 March 2006, Falkland Islands, 70-71. Stanley: Falklands Conservation. ISBN 13: 987-0-95383-717-5.
Cui, Y.H. and Guo, R. 2006. Spline function and first-order one-variable grey differential equation model. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of the 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1308-1313. Nagoya Institute of Technology. ISBN 0-9654506-2-7.
Guo, D., Guo, R., Thiart, C., Oyana, T., Dai, D. and Hession, S. 2006. GM(1,1)-Kriging prediction of soil dioxin pattern. In G. Priestnall and P. Aplin (eds), Proceedings of the Geographical Information Systems Research UK Conference (GISRUK 2006), 5-7 April 2006, Nottingham, United Kingdom, 69-77. University of Nottingham. ISBN 0853582262.
Guo, R. 2006. Foundations for GM(1,1) Modeling of System Lifetimes. In X. Jia, H. Huang and W. Wang (eds), Proceedings of the International Conference on Maintenance Engineering (ICME 2006), 15-18 October 2006, Chengdu, Sichuan, China, 572-579. Science Press, Beijing, China. ISBN 7-03-018064-X.
Guo, R. 2006. Fuzzy variable reliability modeling based on credibility theory. In W. Yun and T. Dohi (eds), Proceedings of the Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006), 24-26 August 2006, Busan, Korea, 585-594. World Scientific Publishing Co. Pte. Ltd. ISBN 981-256-758-5.
Guo, R. 2006. Grey quality envelop control charts. In K. Chai, C. Hang and M. Xie (eds), Proceedings of the International Conference on Management of Innovation and Technology (IEEE ICMIT 2006), 21-23 June 2006, Singapore, 738-742. Stallion Press. ISBN 1-4244-0147-X.
Guo, R. 2006. Small sample asymptotic distribution of cost-related reliability risk measure. In W. Yun and T. Dohi (eds), Proceedings of the Asian International Workshop on Advanced Reliability Modelling (AIWARM 2006), 24-26 August 2006, Busan, Korea, 595-602. World Scientific Publishing Co. Pte. Ltd. ISBN 981-256-758-5.
Guo, R. and Cui, Y.H. 2006. Grey reliability analysis under L1 norm. In W. Yun and T. Dohi (eds), Proceedings of the Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006), 24-26 August 2006, Busan, Korea, 645-653. World Scientific Publishing Co. Pte. Ltd. ISBN 981-256-758-5.
Guo, R. and Li, X. 2006. Credibility Copulas. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of the 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1314-1319. Nagoya Institute of Technology. ISBN 0-9654506-2-7.
Guo, R. and Li, X. 2006. Credibility-Hazard Function: Theoretical Development. In X. Jia, H. Huang and W. Wang (eds), Proceedings of the International Conference on Maintenance Engineering (ICME 2006), 15-18 October 2006, Chengdu, Sichuan, China, 22-30. Science Press, Beijing, China. ISBN 7-03-018064-X.
Guo, R., Cheng, C. and Cui, Y.H. 2006. L1 Normed GM(1,1) Models and Reliability Analysis. In C. Lin (ed.), Proceedings of the 2006 IEEE International Conference on Systems, Man and Cybernetics, 8-11 October 2006, Taipei, Taiwan. National Chiao-Tung University. ISBN 1-4244-0100-3.
Guo, R., Guo, D. and Cui, Y.H. 2006. Rationale Exploration of First-Order One-Variable Grey Differential Equation Model via Variational Approach. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of the 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1302-1307. Nagoya Institute of Technology. ISBN 0-9654506-2-7.
Guo, D., Guo, R. and Thiart, C. 2006. Generalizations to Standard GM(1,1). In X. Jia, H. Huang and W. Wang (eds), Proceedings of the International Conference on Maintenance Engineering (ICME 2006), 15-18 October 2006, Chengdu, Sichuan, China, 587-593. Science Press, Beijing, China. ISBN 7-03-018064-X.
Guo, D., Guo, R., Thiart, C. and Cui, Y.H. 2006. Rationale of GM(1,1) Modeling: A Variational Approach. In X. Jia, H. Huang and W. Wang (eds), Proceedings of the International Conference on Maintenance Engineering (ICME 2006), 15-18 October 2006, Chengdu, Sichuan, China, 603-609. Science Press, Beijing, China. ISBN 7-03-018064-X.
Hossain, N., Troskie, C.G. and Guo, R. 2006. An application of principal components analysis to portfolio optimization under the Sharpe Index Framework. In J. Lee, O. Castillo, P. Chaudhuri and D. Feng (eds), Proceedings of the International MultiConference of Engineers and Computer Scientists, 20-22 June 2006, Hong Kong, 396-401. Newswood Limited. ISBN 10 988-986-3-3.
Hossain, N., Troskie, C.G. and Guo, R. 2006. Comparisons of the Ex Post Efficient Portfolios from Sharpe and Improved Sharpe Multiple Index Models; An Empirical Study Concerning the Negative Correlated Case. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of the 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1296-1301. Nagoya Institute of Technology. ISBN 0-9654506-2-7.
Hossain, N., Troskie, C.G. and Guo, R. 2006. Improved Sharpe versus Sharpe Multiple Index Framework: A Monte-Carlo Simulation Study for the Positive Correlation Case. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of the 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1290-1295. Nagoya Institute of Technology. ISBN 0-9654506-2-7.
Li, X. and Guo, R. 2006. Empirical Modeling of Chance Distribution for Random Fuzzy System Lifetimes. In X. Jia, H. Huang and W. Wang (eds), Proceedings of the International Conference on Maintenance Engineering (ICME 2006), 15-18 October 2006, Chengdu, Sichuan, China, 649-657. Science Press, Beijing, China. ISBN 7-03-018064-X.
Li, X. and Guo, R. 2006. Fuzzy Reliability Based on Credibility Measure. In M. Hagiwara, Y. Ikeda, J. Fernadez and A. Mital (eds), Proceedings of the 11th International Conference on Industrial Engineering, Theory, Applications and Practice, 24-27 October 2006, Nagoya, Japan, 1320-1325. Nagoya Institute of Technology. ISBN 0-9654506-2-7.
Paterson, B. 2006. IRAS, ein Hypermedia System für Wissensmanagement im Artenschutz in Namibia. Proceedings der 9. Tagung der Deatschen Sektion de Internationalen Gesellschaft für Wissensorganisation Duisburg, 5-7 November 2004, Duisburg, Germany, 264-273. ISBN 3-89913-521-0.
Winschiers, H., Fendler, J. and Paterson, B. 2006. Nachhaltige Wissensorganisation durch kulturelle Synthese. Proceedings der 9. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation Duisburg, 5-7 November 2004, Duisburg, Germany, 122-129. ISBN 3-89913-521-0.