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Formation of the installation face in immediate roof rocks of a coal seam
A. M. Goryunov, V. E. Volkov, V. I. Klopov, V. M. Makridin, A. N. Naumov, A. P. Sakita, G. I. KulakovVolume:
29
Language:
english
Pages:
4
DOI:
10.1007/bf00734679
Date:
May, 1993
File:
PDF, 250 KB
english, 1993