Group by: Item Type | No Grouping Number of items: 2. Verma, B.P. and Sinha, S.P. and Singh, B. (1992) Use of Recoverable Roof Bolt to Support Freshly exposed Roof of an Underground Roadway. Minetech, 13 (1). pp. 37-39. ISSN 0970-7204 Raju, N.M. and Prasad, S. and Sinha, S.P. and Venkateswarlu, V. and Singh, B. (1986) Impact of R&D on improving productivity in bord and pillar workings. Journal of Mines, Metals & Fuels, 34 (7). pp. 326-336. ISSN 0022-2755 |