@article{wang_wei_zhang_2019, 
  title={Theoretical description of drawing body shape in an inclined seam with longwall top coal caving mining}, 
  DOI={10.1007/s40789-019-00286-z}, 
  publisher={Springer Science and Business Media LLC}, 
  author={Wang, Jiachen and Wei, Weijie and Zhang, Jinwang}, 
  year={2019}, 
  month={Dec}
  }