Cheng, Liang
Zhang, Yidong
Ji, Ming
Zhang, Kai
Zhang, Minglei
Funding for this research was provided by:
The Open Projects of the State Key Laboratory of Coal Resources and Safe Mining (SKLCRSM12X05)
The Natural Science Foundation of Jiangsu Province, China (BK20130189)
The Priority Academic Program Development of Jiangsu Higher Education Institutions, the Fundamental Research Funds for Central Universities (2011QNA12)