@article{19636,
      author = {Torrey, S.},
      url = {http://library.usi.edu/record/19636},
      title = {Trace contaminants from coal /},
      publisher = {Noyes Data Corp.,},
      recid = {19636},
      pages = {x, 294 p. :},
      address = {Park Ridge, N.J. :},
      year = {1978},
}