Article

Krishna, P.S.R. and Chentamarakshan, K. and Choudhury, B. Roy and Datta, A.K. (1977) Studies on the quality and code-rank variations of coal of Karo-III (special) seam in Karo block, East Bokaro Coalfield. Journal of Mines, Metals & Fuels, 25 (2). pp. 44-52. ISSN 0022-2755