TY  - BOOK
AU  - Vallier,Ivan
AU  - Apter,David E.
TI  - Comparative methods in sociology: essays on trends and applications
SN  - 0520017439
U1  - 301.072 
PY  - 1971///
CY  - Berkeley
PB  - University of California Press
KW  - Social sciences
KW  - Methodology
ER  -