TY  - GEN
AU  - Staub, Ervin
TI  - The roots of evil : 

: the origins of genocide and other group violence
SN  - 0-521-35407-2
AV  - HM 281 .S69 
PY  - 1989///
CY  - New York
PB  - Cambridge university press
KW  - Aggressiveness
ER  -