A study of the mechanical structure of the direct roof during the whole process of non-pillar gob-side entry retaining by roof cutting
| Autor: | Liu, Xiao, Hua, Xinzhu, Yang, Peng, Huang, Zhiguo |
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| Zdroj: | Energy Exploration & Exploitation, 2020 Sep 01. 38(5), 1706-1724. |
| Databáze: | JSTOR Journals |
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