@article{434634,
      note = {Includes the text of The International Agreement on the  Conservation of Polar Bears and Their Habitat (signed in  Oslo, Norway, in 1973) (p. 321-322).},
      author = {Stirling, Ian.},
      url = {http://library.usi.edu/record/434634},
      title = {Polar bears : the natural history of a threatened species  /},
      publisher = {Fitzhenry & Whiteside,},
      abstract = {Comprehensive study of the polar bear: their evolution,  life history, behavior, how they are researched, and the  current threat to their very existence.},
      recid = {434634},
      pages = {xv, 330 p. :},
      address = {Markham, Ont. ;},
      year = {2011},
}