1. Baboon Mothers and Infants;Altmann,1980
2. Foraging for Survival: Yearling Baboons in Africa;Altmann,1998
3. Arboreal adaptations and the origin of the order primates;Cartmill,1972
4. Rethinking primate origins;Cartmill;Science,1974
5. New views on primate origins;Cartmill;Evol. Anthropol.,1992