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The stress-strain state of coal pillars under support canopies

โœ Scribed by L. P. Tomashevskii; L. A. Shcherbakov; M. V. Shepelev; N. N. Demin; B. A. Apen'kin


Publisher
Springer
Year
1973
Tongue
English
Weight
410 KB
Volume
9
Category
Article
ISSN
1573-8736

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