TY  - BOOK
AU  - Dougherty, James
AU  - Pfalfzgraff, Robert
TI  - Contending theories of international relations:  : a comprehensive survey 
SN  - 0 06 045215 3
U1  - 327 
PY  - 1981///
CY  - New York
PB  - Harper and Row
KW  - RELACIONES INTERNACIONALES
ER  -