Suzhen Shi
State Key Laboratory of Coal Resources and Safety Mining, China University of Mining and Technology, Beijing 100083, P. R. China
China

Zhongyuan Liu
College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, P. R. China
China

Jian Feng
College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, P. R. China
China

Guoxu Feng
College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, P. R. China
China

Mingxuan Li
College of Geoscience and Surveying Engineering, China University of Mining and Technology,Beijing 100083, P. R. China
China