@article{311740,
      author = {Bildstein, Keith L.},
      url = {http://library.usi.edu/record/311740},
      title = {Migrating raptors of the world : their ecology &  conservation /},
      publisher = {Comstock Pub. Associates,},
      recid = {311740},
      pages = {xii, 320 p., [8] p. of plates :},
      address = {Ithaca, N.Y. :},
      year = {2006},
}