TY - BOOK ED - India. Steel, Mines and Fuel, Ministry TI - Report of the Coal Price Revision Committee on collieries in Assam, the Singareni Collieries Co. Ltd. and Soft coke and hard coke U1 - 338.272 PY - 1960/// CY - Delhi PB - Manager of Publications KW - Assam KW - Production economics N1 - Supplementary report ER -