C. S.  Elton, ?Structure of Invertebrate Populations inside Neotropical Rain- Forest?, Journal of Animal Ecology, vol. 42, p. 55-&, 1973.

C. S.  Elton, ?Conservation and the low population density of invertebrates insde neotropical rainforest?, Biological Conservation, vol. 7, pp. 3-15, 1975.