(1211) Models of parent-offspring conflict. V. Effects of the behaviour of the two parents.   Parker GA.   1985.   Animal Behaviour, volume 33, pages 519-533.

(1212) Territorial defense, territory size and population regulation.   Lopez-Sepulcre A and Kokko H.   2005.   The American Naturalist, volume 166, pages 317-329.

(1213) Kinship-based politics and the optimal size of kin groups.   Hammel EA.   2005.   Proceedings of the National Academy of Sciences of the United States of America, volume 102, pages 11951-11956.

(1214) Cooperative breeders adjust offspring sex ratios to produce helpful helpers.   Griffin AS, Sheldon BC and West SA.   2005.   The American Naturalist, volume 166, pages 628-632.

(1215) The evolution of worker caste diversity in social insects.   Fjerdingstad EJ and Crozier RH.   2006.   The American Naturalist, volume 167, pages 390-400.

(1216) Helping non-relatives: a role for deceit?   Connor RC and Curry RL.   1995.   Animal Behaviour, volume 49, pages 389-393.

(1217) Possible constraints on adaptive variation in sex ratio at birth in humans and other primates.   James WH.   2006.   Journal of Theoretical Biology, volume 238, pages 383-394.

(1218) An evolutionary theory of the family.   Emlen ST.   1995.   Proceedings of the National Academy of Sciences of the United States of America, volume 92, pages 8092-8099.

(1219) Evolutionary theory and the human family.   Davis JN and Daly M.   1997.   The Quarterly Review of Biology, volume 72, pages 407-435.

(1220) An experimental analysis of a Mother-daughter rank reversal in Japanese macaques (Macaca fuscata).   Chapais B.   1985.   Primates, volume 26, pages 407-423.