TY  - BOOK
AU  - 
TI  - Prosocial behavior: theory and research 
SN  - 0470152230
U1  - 136 
PY  - 1976///
CY  - Washington, New York
PB  - Hemisphere Pub. Corp., distributed by Halsted Press
KW  - Helping behavior
KW  - Altruism
KW  - Social behavior
N1  - Includes indexes
ER  -