TY  - BOOK
AU  - Cornforth, Maurice
TI  - Dialectical materialism : an introductory course. Vol.1 : materialism and dialectical method. 
U1  - 146.3 
PY  - 1971///
CY  - Calcutta
PB  - National Book Agency
KW  - Natural resources
KW  - Historical materialism
N1  - ENG
ER  -