TY  - BOOK
AU  - Hartup Willard W Ed
AU  -  De Wit Jan
TI  - Origins of aggression
T2  - Psychological studies , 10
U1  - SN1:524, L8 
PY  - 1978///
CY  - Hague
PB  - Mouton       
KW  - PSYCHOLOGY
N1  - Bibliography p 305--354
ER  -