TY  - BOOK
AU  - Moscow Progress Publishers
AU  - Moscow Progress Publishers
TI  - Social science
SN  - 0000000
U1  - Y, L7 
PY  - 1977///
CY  - Moscow
PB  - Progress Publishers      
KW  -  Communist
KW  -  Socialism
KW  - Marxism-leninism
ER  -