TY  - BOOK
AU  - Chaki, Nisith Ranjan                                        
TI  - A Practical-efficient use of Indian coals 
U1  - 338.2720954                     
PY  - 1976///
CY  - Calcutta
PB  - Parua mahal
KW  - Coal - India
KW  - Coal trade - India
ER  -