Group by: Item Type | No Grouping Number of items: 1. Das Gupta, N.N. and Chatterjee, N.N. and Sanyal, S. and Bhattacharyya, K.K. (1961) Gray-King Carbonization Assay of Swelling coals. Journal of Mines, Metals & Fuels, 9 (4). pp. 20-23. ISSN 0022-2755 |