TY  - BOOK
AU  - Narasimhan,Kotur S.
AU  - Mukherjee,A.K
ED  - Mins of Science and Technology
TI  - Gondwana coals of India
U1  - 662.72 
PY  - 1999///
CY  - New Delhi
PB  - Allied Publishers
KW  - Coal washing
KW  - India
KW  - Coal preparation
ER  -