@misc{indiciae89a3a407a6cb,
  title = {Mineral matter and potentially hazardous trace elements in coals from Qianxi Fault Depression Area in southwestern Guizhou, China},
  author = {Jiahua Zhang and D. Ren and Y. Zhu and C. L. Chou and R. Zeng and B. Zheng},
  year = {2004},
  doi = {10.1016/j.coal.2003.07.001},
  url = {https://pubs.usgs.gov/publication/70027064},
  note = {Source identifier: 70027064}
}