Group by: Item Type | No Grouping Jump to: Article Number of items: 1. ArticleMukherjee, S.N. and Nag, A.K. and Majumdar, S.K. (1972) A study on the clay minerals in coals by derivatography. Journal of Mines, Metals & Fuels, 20 (12). pp. 363-367. ISSN 0022-2755 |