@misc{indiciaea2f322b35aa7,
  title = {The forms of trace metals in an Illinois basin coal by x-ray absorption fine structure spectroscopy},
  author = {I.-M. Chou and J.A. Bruinius and J.M. Lytle and R.R. Ruch and Frank E. Huggins and G.P. Huffman and K.K. Ho},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/70019150},
  note = {Source identifier: 70019150}
}