TY  - BOOK
AU  - Dhar,D.N.
AU  - Talwar,Y.P.
AU  - Sarin,B.K.
TI  - Physical and chemical survey of coals of Jangalgali (ladda)coalfield)
U1  - 553.2072 
PY  - 1970///
CY  - Dhanbad(Bihar)
PB  - Central fuel research Institute
ER  -