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Determination of roof bolting parameters for the space near the face in developing placer deposits with filling
N. L. Kychkin, E. E. Petrov, V. Yu. Izakson, G. G. SugarenkoVolume:
25
Language:
english
Pages:
4
DOI:
10.1007/bf02528311
Date:
November, 1989
File:
PDF, 337 KB
english, 1989