TY  - BOOK
AU  - Modelski George Ed.
TI  - Exploring long cycles
T2  - Long cycle studies in international relations.1
SN  - 0931477980
U1  - X:54, M7 
PY  - 1987///
CY  - Boulder
PB  - Lynne Rienner         
KW  - Export
ER  -