TY  - BOOK
AU  - Svalastoga,Kaare
TI  - Social differentiation / 
U1  - 301.44 SVA 
PY  - 1965///
CY  - New York : 
PB  - D. Mckay , 
KW  - Social classes
KW  - Sociology
N1  -  Includes bibliographical references
ER  -