TY  - BOOK
AU  - Sarkar, G.G.
TI  - Introduction to coal preparation practice
SN  - 81-204-0170-0
U1  - 622.334 
PY  - 1986///
CY  - Calcutta
PB  - Oxford & IBH
KW  - Coal
KW  - Coal gasification
KW  - Coal liquefication
N1  - Includes appendix
ER  -