@article{4655,
      recid = {4655},
      author = {Mast, Richard F.},
      title = {Size, development, and properties of Illinois oil fields.},
      address = {Urbana,},
      pages = {42 p. :},
      year = {1970},
      note = {Cover title.},
      url = {http://library.usi.edu/record/4655},
}