TY  - BOOK
AU  - Barber, Nigel
TI  - Kindness in a cruel world : the evolution of altruism
SN  - 9781591022282
SN  - 200401115
U1  - 155.232 BAR 
PY  - 2004///
CY  - Amherst, N.Y
PB  - Prometheus Books
KW  - Altruism
KW  - Altruistic behavior in animals
KW  - Evolution (Biology)
KW  - Evolutionary psychology
N1  - Includes bibliographical references (p. 381-405) and index
ER  -