@misc{indiciae562744d2a386,
  title = {Direct comparison of XAFS spectroscopy and sequential extraction for arsenic speciation in coal},
  author = {Frank E. Huggins and G.P. Huffman and A. Kolker and S. Mroczkowski and C.A. Palmer and R. B. Finkelman},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/70022571},
  note = {Source identifier: 70022571}
}