@article{40461,
      author = {Meents, Wayne Franklin.},
      url = {http://library.usi.edu/record/40461},
      title = {Analyses of natural gas in Illinois /},
      publisher = {Illinois State Geological Survey,},
      recid = {40461},
      pages = {64 p. :},
      address = {Champaign, Ill. :},
      year = {1981},
}