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Design aspects of barrier pillars against water-logged working in coal mining operations : Whittaker, B N; Singh, R N In: Proc World Congress on Water in Mining and Underground Works (SIAMOS-78), Granada, Spain, 18–22 Sept 1978, V1, P675–692. Publ Granada: Association Nacional de Ingenieros de Minas, 1978


Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
105 KB
Volume
16
Category
Article
ISSN
0148-9062

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