TY  - BOOK
AU  - Zimmermann,Ekkart
TI  - Political violence, crises, and revolutions: theories and research 
SN  - 0870738941
AV  - JC328.6 .Z54 1983
PY  - 1983///
CY  - Cambridge, Massachusetts
PB  - Schenkman Publishing
KW  - Political violence
KW  - Revolutions
ER  -