TY  - BOOK
AU  - Yermakova,Antonina
AU  - Ratnikov,Valentin
AU  - Savchenko,Sergi
TI  - What are classes and the class struggle?
U1  - 305.5 22
PY  - 1986///
CY  - Moscow
PB  - Progress Publishers
KW  - Social classes
KW  - Social conflict
ER  -