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Rock pressure phenomena in the main workings of deep pits in the donets coalfield
Yu. Z. Zaslavskii, G. E. Posokhov, V. A. Shalurov, V. N. TsytsarkinVolume:
3
Langue:
english
Pages:
1
DOI:
10.1007/bf02497296
Date:
March, 1967
Fichier:
PDF, 86 KB
english, 1967