@article{488118,
      author = {Callihan, David.},
      url = {http://library.usi.edu/record/488118},
      title = {National Wildlife Refuge System [electronic resource] /},
      publisher = {Nova Science Publishers,},
      recid = {488118},
      pages = {xxi, 85 p. :},
      address = {New York :},
      year = {2009},
}