@article{104205,
      note = {Includes index.},
      author = {Pettingill, Olin Sewall,},
      url = {http://library.usi.edu/record/104205},
      title = {A guide to bird finding west of the Mississippi /},
      publisher = {Oxford University Press,},
      recid = {104205},
      pages = {xxx, 783 p. :},
      address = {New York :},
      year = {1981},
}