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doi:10.3850/9789810844554-0012 Study on Roof Caving Problem with DDA MethodLiu Yong-Qian, Yang Juna, Chen Peng-Wan and Ning You-JunState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China.
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doi:10.3850/9789810844554-0012 Study on Roof Caving Problem with DDA MethodLiu Yong-Qian, Yang Juna, Chen Peng-Wan and Ning You-JunState Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China.
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