@article{8883,
      author = {Zarn, Mark.},
      url = {http://library.usi.edu/record/8883},
      title = {Wild, free-roaming burros : status of present knowledge /},
      publisher = {U.S. Dept. of the Interior, Bureau of Land Management ;},
      recid = {8883},
      pages = {65 p. :},
      address = {[Washington] :},
      year = {1977},
}