@article{742643,
      author = {Eisenberg, Cristina.},
      url = {http://library.usi.edu/record/742643},
      title = {The wolf's tooth keystone predators, trophic cascades, and  biodiversity / [electronic resource] :},
      publisher = {Island Press,},
      recid = {742643},
      pages = {xvi, 254 p. :},
      address = {Washington :},
      year = {2010},
}