TY  - BOOK
AU  - Plekhanov,Georgiĭ Valentinovich
AU  - Ryazanov,D.
TI  - Fundamental problems of Marxism
PY  - 1928///
CY  - London
PB  - Martin Lawrence
KW  - Dialectical materialism
KW  - Socialism
KW  - Social change
ER  -