TY  - BOOK
AU  - Modelski,George
TI  - Long cycles in world politics
SN  - 0333429249
U1  - 320.01 
PY  - 1987///
CY  - Seattle
PB  - University of Washington Press
KW  - World politics
KW  - Cycles
N1  - Includes index; Bibliography: p. 234-240
ER  -