@article{10689,
      note = {Cover title.},
      author = {Ruch, Rodney R. and Gluskoter, Harold J. and Shimp, Neil  F.,},
      url = {http://library.usi.edu/record/10689},
      title = {Occurrence and distribution of potentially volatile trace  elements in coal : a final report /},
      publisher = {Illinois State Geological Survey,},
      recid = {10689},
      pages = {96 p. :},
      address = {Urbana :},
      year = {1974},
}