@article{17558,
      recid = {17558},
      author = {Mast, Richard F.},
      title = {An estimate of future crude oil production in Illinois.},
      address = {Urbana,},
      pages = {14 p. :},
      year = {1969},
      note = {Cover title.},
      url = {http://library.usi.edu/record/17558},
}