TY - RPRT TI - The forms of trace metals in an Illinois basin coal by x-ray absorption fine structure spectroscopy AU - I.-M. Chou AU - J.A. Bruinius AU - J.M. Lytle AU - R.R. Ruch AU - Frank E. Huggins AU - G.P. Huffman AU - K.K. Ho PY - 1997 UR - https://pubs.usgs.gov/publication/70019150 ID - 70019150 ER -