TY - BOOK AU - "India, Government of ...Energy (M/O-)" ED - "India, Government of ...Energy (M/O-)" TI - Report of working group on coal and lignite for the 8th five years U1 - "X9(F551).2.N95-N90, N0/GD" PY - 1990/// CY - Delhi PB - Manager of Publication India KW - Coal Industry ER -