TY  - BOOK
AU  - Banerjee,N.N.
AU  - Ghosh,B.
AU  - Das,A.
ED  - India.
TI  - Trace metals in Indian coals
U1  - 553.2(54) 
PY  - 0000///[n. d.]
CY  - New Delhi
PB  - Allied Publication Ltd.
ER  -