1. Natural selection and the mating systems of solitary bees;ALCOCK;American Scientist,1980
2. The evolution of social behavior;ALEXANDER;Annual Review of Ecological Systematics,1974
3. Two models for the evolution of polygyny;ALTMANN;Behaviour Ecology and Sociobiology,1977
4. The variegated Tinamou, Crypturus variegatus variegatus (Gmelin);BEEBE;Zoologica,1925