TY  - BOOK
AU  - Sorokin,Pitirim A.
TI  - Social and cultural dynamics : Vol 4 : : basic problems, principles and methods / 
U1  - 301 
PY  - 1962///
CY  - New York : 
PB  - The Geominster Press, 
KW  - Social culture
KW  - Social problem
KW  - Social methods
ER  -