Sutherland, William J; Pullin, Andrew S.; Dolman, Paul M.; Knigh, Teri M. (June 2004). "The need for evidence-based conservation". Trends in Ecology and Evolution. 19 (6): 305–308. doi:10.1016/j.tree.2004.03.018. PMID16701275.
Sutherland, William J; Pullin, Andrew S.; Dolman, Paul M.; Knigh, Teri M. (June 2004). "The need for evidence-based conservation". Trends in Ecology and Evolution. 19 (6): 305–308. doi:10.1016/j.tree.2004.03.018. PMID16701275.