@article{441624,
      note = {"First edition published 2003 as The beaver : natural  history of a wetlands engineer, by Dietland  Müller-Schwarze and Lixing Sun"--T.p. verso.},
      author = {Müller-Schwarze, Dietland.},
      url = {http://library.usi.edu/record/441624},
      title = {The beaver its life and impact / [electronic resource] :},
      publisher = {Comstock Pub. Associates,},
      recid = {441624},
      pages = {1 online resource (xii, 216 p.) :},
      address = {Ithaca :},
      year = {2011},
}