Group by: Item Type | No Grouping Number of items: 1. Baijal, R.N. and Chhabra, N.S. and Singh, B. (1969) Investigations into the Development of Strains in a bord and Pillar Working. Journal of Mines, Metals & Fuels, 17 (6). pp. 192-197. ISSN 0022-2755 |