@article{326834,
      recid = {326834},
      author = {Perrin, William F. and Würsig, Bernd G. and Thewissen, J.  G. M.},
      title = {Encyclopedia of marine mammals /},
      publisher = {Academic,},
      address = {London :},
      pages = {xxxiv, 1316 p. :},
      year = {2009},
      note = {Previous ed.: 2001.},
      url = {http://library.usi.edu/record/326834},
}