Group by: Item Type | No Grouping Number of items: 1. Mukherjee, M. and Sen, S. and Gupta, S. (1966) A Study on the petrography and its Relation to Properties of Some Coals from the Chano-Rikba Area of the North Karanpura coalfield. Journal of Mines, Metals & Fuels, 14 (6). pp. 180-184. ISSN 0022-2755 |