@article{155049,
      author = {Chou, Mei-In Melissa.},
      url = {http://library.usi.edu/record/155049},
      title = {Hydrocarbon source potential and organic geochemical  nature of source rocks and crude oils in the Illinois basin  /},
      publisher = {Illinois State Geological Survey,},
      recid = {155049},
      pages = {39 p. :},
      address = {Champaign, Ill. (615 E. Peabody Dr., Champaign 61820) :},
      year = {1991},
}