Stability and complexity in model ecosystems Robert M. May. Model ecosystems. May, Robert M. (Robert McCredie), 1936- Ecology Mathematical models. Animal populations Mathematical models. Stability. QH541.15.M3 M38 510 MAS Bibliography: p. 211-228. Princeton, N.J., Princeton University Press 1973. 1973. 1973 Text ix, 235 p. : eng Monographs in population biology, 6