This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.
M. Bekoff (1981) Mammalian sibling interactions: Genes, facilitative environments, and the coefficient of familiarity. In: Parental care in mammals, ed. D. V. Gubernick & P. H. Klopfer , pp. 307–46. Plenum Press. [RHB]
R. A. Fisher (1930) The genetical theory of natural selection. Clarendon Press.[UM]
D. O. Hebb (1958) A textbook of psychology. Saunders. [taPLvdB]
A. Jacquard (1974) The genetic structure of populations. Springer.[JS, rPLvdB]
F. C. Keil (1979) Semantic and cognitive development: An ontological perspective. Harvard University Press. [CJL].
J. F. McLennan (1865) Primitice marriage. Black. [taPLvdB]
E. Mayr (1963) Animal species and evolution. Harvard University Press. [taPLvdB]