@article{346770,
      recid = {346770},
      author = {Eisenberg, Cristina.},
      title = {The wolf's tooth : keystone predators, trophic cascades,  and biodiversity /},
      publisher = {Island Press,},
      address = {Washington :},
      pages = {xvi, 254 p. :},
      year = {2010},
      url = {http://library.usi.edu/record/346770},
}