@article{62104,
      author = {Whiting, L. L. and Oros, Margaret O.,},
      url = {http://library.usi.edu/record/62104},
      title = {Graphic analyses of oil well drilling and production,  1937-1955},
      publisher = {Illinois State Geological Survey,},
      recid = {62104},
      pages = {28 p.},
      address = {Urbana,},
      year = {1957},
}