TY  - BOOK
ED  - National Institute of Sciences of India (1950 : New Delhi)
ED  - 
TI  - Scientific utilization of coal in India: Proceedings of the symposium
U1  - 553.2 
PY  - 1953///
CY  - New Delhi
PB  - NISI
KW  - Coal deposits
KW  - Economic geology
ER  -