TY  - BOOK
AU  - Duverger, Maurice
ED  - Michigan State University.
TI  - Introduction to social science: With special reference to their methods 
U1  - 300 23
PY  - 1964/// [impression 1967]
CY  - London
PB  - George Allien and unwin ltd.
KW  - Social sciences
N1  - Includes bibliographical footnotes and index
ER  -