@misc{indiciae03fe13d4e0d2,
  title = {Geochemistry of trace elements in coals from the Zhuji Mine, Huainan Coalfield, Anhui, China},
  author = {R. Sun and Gaisheng Liu and Lingyun Zheng and C. L. Chou},
  year = {2010},
  doi = {10.1016/j.coal.2009.12.001},
  url = {https://pubs.usgs.gov/publication/70034006},
  note = {Source identifier: 70034006}
}