TY  - BOOK
ED  - India.
TI  - Report of the regional coal survey station, Raniganj: Raniganj coal fields 
U1  - 622.33(54) 
PY  - 1964///
CY  - New Delhi
PB  - Central fuel research Institute
N1  - V.1 physical and chemical survey of caking and semi - coking coals from some of the working collieries ; miscellaneous investigations and special investigations etc. - v.2 washability investigations  of some of the caking and semi - coking coals of the Barakar measures of the Raniganj coal - fields, 1954. - v.3 Investigations on bore - hole cores Raniganj coal - fields 1964
ER  -