1. Theory of Oscillators;Andronov,1966
2. Coexistence of two competitors on one resource;Armstrong;J. Theor. Biol,1975
3. Competition between species: Theoretical models and experimental tests;Ayala;Theor. Population Biol,1973
4. Further experiments in insect competition;Chombie,1946
5. The Struggle for Existence;Gause,1934