TY - BOOK AU - INDIA, COMMERCIAL INTELLIGENCE AND STATISTICS (Deptt.of-) ED - INDIA, COMMERCIAL INTELLIGENCE AND STATISTICS (Deptt.of-) TI - Indian coal statistics 1939 U1 - X9(F551).2.N39r, H1 PY - 1941/// CY - Delhi PB - The Manager of Publications N1 - DGCIS. 23.39.270 ER -