TY  - BOOK
AU  - Field, Alexander J.
TI  -  Altruistically inclined?: the behavioral sciences, evolutionary theory, and the origins of reciprocity 
SN  - 0472112244
U1  - 155.7 21
PY  - 2001///
CY  - Ann Arbor
PB  - University of Michigan Press
KW  - Altruism
KW  - Genetic psychology
KW  - Reciprocity (Psychology)
KW  - Social groups
N1  - Includes bibliographical references (p. 337-358) and index
ER  -