Duffey, E. (1997): Spider adaptation to artificial biotopes: the fauna of percolating filter beds in a sewage treatment works. Journal of Applied Ecology, 34: 1190-1202.
Duffield, S.J., Baker, S.E. (1990): Spatial and temporal effects of dimethoate use on populations of Carabidae and their prey in winter wheat. In: Stork, N.E. (ed.): The role of ground beetles in ecological and environmental studies. Intercept, Andover, Hampshire: 95-104. (ve sborníku)
Dufrêne, M., Baguette, M. (1990): Evaluation of carabids as bioindicators: a case study in Belgium. In: Stork, N.E. (ed.): The role of ground beetles in ecological and environmental studies. Intercept, Andover, Hampshire: 377-382. (ve sborníku)
