@ARTICLE{Huang_Bingxiang_Roof_2016,
 author={Huang, Bingxiang and Wang, Youzhuang},
 number={No 3},
 journal={Archives of Mining Sciences},
 howpublished={online},
 year={2016},
 publisher={Committee of Mining PAS},
 title={Roof Weakening of Hydraulic Fracturing for Control of Hanging Roof in the Face End of High Gassy Coal Longwall Mining: A Case Study},
 URL={http://ochroma.man.poznan.pl/Content/105534/PDF/10267-Volume61_Issue3-11_paper.pdf},
 doi={10.1515/amsc-2016-0043},
}