TY  - BOOK
ED  - Central Fuel Research Institute, Dhanbad
TI  - Indian coals: Quality evaluation data
U1  - 553.240954/CFRI 
PY  - 1981///
CY  - Dananbad
PB  - CFRI
KW  - Sciences
KW  - Earth sciences
KW  - Coal-India-Statistics
ER  -