Digweed, S. C., Currie, C. R., Cárcamo, H. A., Spence, J. R. (1995): Digging out the "digging-in effect" of pitfall traps: Influences of depletion and disturbance on catches of ground beetles (Coleoptera: Carabidae). Pedobiologia, 39: 561-576.
Dijk, T.S. (1986): How to estimate the level of food availability in field populations of carabid beetles? In: den Boer, P.J., Luff, M.L., Mossakowski, D., Weber, F. (eds.): Carabid Beetles: Their Adaptations and Dynamics. XVIIth International Congress of Entomology, Hamburg, 1984. Gustav Fischer, Stuttgart – New York: 371-384. (ve sborníku)
