TY  - BOOK
AU  - ZAHN-WAXLER C.
AU  - 
AU  - Cummings,E.Mark
AU  - Iannotti,Ronald
TI  - Altruism and aggression: biological and social origins 
SN  - 0521268346
U1  - 155.41 
PY  - 1986///
CY  - New York
PB  - Cambridge University Press
KW  - Altruism in children
KW  - Aggressiveness in children
KW  - Altruism
KW  - Aggressiveness
KW  - Psychology, Comparative
KW  - Socialization
KW  - Aggression
KW  - Social Behavior
N1  - Includes bibliographies and indexes
ER  -