@article{337679,
      recid = {337679},
      author = {Collins, James P. and Crump, Martha L.},
      title = {Extinction in our times : global amphibian decline /},
      publisher = {Oxford University Press,},
      address = {Oxford ;},
      pages = {xx, 273 p. :},
      year = {2009},
      url = {http://library.usi.edu/record/337679},
}