| 1 | Szurgacz, D., Diederichs, R., and Brzózka, M. (2020) The role and relevance of a double block in the hydraulic system of a powered roof support, Journal of Mining and Geotechnical Engineering, 3(10):4. DOI: 10.26730/2618-7434-2020-3-4-17 | MORE INFO | DOWNLOAD |
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