@article{247647,
      author = {Hancocks, David.},
      url = {http://library.usi.edu/record/247647},
      title = {A different nature : the paradoxical world of zoos and  their uncertain future /},
      publisher = {University of California Press,},
      recid = {247647},
      pages = {xxii, 279 p. :},
      address = {Berkeley :},
      year = {2001},
}