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Controlling ventilation currents to prevent layered methane accumulations in mines
K. Z. Ushakov, L. A. Puchkov, G. I. ChizhikovVolume:
5
Language:
english
Pages:
5
DOI:
10.1007/bf02501274
Date:
September, 1969
File:
PDF, 325 KB
english, 1969