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Chugh, J.C. (1983) Gassiness of coal seams-criteria for categorisation. Journal of Mines, Metals & Fuels, 31 (2). pp. 41-47. ISSN 0022-2755
Chugh, J.C. (1979) Pilot scheme of degassification of coal seams at amlabad colliery. Journal of Mines, Metals & Fuels, 27 (10&11). pp. 381-397. ISSN 0022-2755
Chugh, J.C. (1977) Mechanisation and emission of methane in coal mines. Journal of Mines, Metals & Fuels, 25 (3). pp. 67-76. ISSN 0022-2755
