@article{199660,
      recid = {199660},
      author = {Palmer, Curtis A. and Walthall, Frank G.},
      title = {The Chemical analysis of Argonne premium coal samples  [microform] /},
      publisher = {U.S. Geological Survey ;},
      address = {[Reston, VA] :},
      pages = {12 leaves ;},
      year = {1992},
      note = {Cover title.},
      url = {http://library.usi.edu/record/199660},
}