@misc{indiciae83edb2b16a56,
  title = {Composition and trace element content of coal in Taiwan},
  author = {L.-Y. Tsai and C.-F. Chen and Robert B. Finkelman},
  year = {2005},
  doi = {10.3319/tao.2005.16.3.641(t)},
  url = {https://pubs.usgs.gov/publication/70031361},
  note = {Source identifier: 70031361}
}