TY  - BOOK
AU  - Das,Pradip Kumar
AU  - Baruah,Hrishikes
TI  - Petroleum and coal
SN  - 8175330422
U1  - 553.28 
PY  - 1997///
CY  - New Delhi
PB  - M. D. Pub.
KW  - Coal
KW  - Petroleum
ER  -