TY  - BOOK
AU  - Ermakova,Antonina
AU  - Ratnikov, Valentin Petrovich
TI  - What are classes and the class struggle?
U1  - 335.411 E711W 1987 
PY  - 1987///
CY  - Moscow
PB  - Progress publishing
KW  - Social classes
KW  - Social conflict
ER  -