Indian Coals : Quality Evalutation Data, Raniganj, Barjora, Deoghar and Rajmahal Coalfields Vol.1
Basak, P K
Indian Coals : Quality Evalutation Data, Raniganj, Barjora, Deoghar and Rajmahal Coalfields Vol.1 / Basak, P K. - Dhanbad Central Fuel Research Institute 1978 - xvii,459p.
STATISTICS
COAL
Indian Coals : Quality Evalutation Data, Raniganj, Barjora, Deoghar and Rajmahal Coalfields Vol.1 / Basak, P K. - Dhanbad Central Fuel Research Institute 1978 - xvii,459p.
STATISTICS
COAL