@misc{Tu_Hong-Sheng_Characteristics_2017,
 author={Tu Hong-Sheng and Tu Shi-Hao and Zhang Cun and Zhang Lei and Zhang Xiao-Gang},
 number={No 4},
 howpublished={online},
 year={2017},
 publisher={Committee of Mining PAS},
 title={Characteristics of the Roof Behaviors and Mine Pressure Manifestations During the Mining of Steep Coal Seam},
 doi={10.1515/amsc-2017-0060},
}