Polar bears : proceedings of the Tenth Working Meeting of the IUCN/SSC Polar Bear Specialist Group, October 25-29, 1988, Sochi, USSR /
IUCN/SSC Polar Bear Specialist Group Working Meeting(10th :1988 :Sochi, USSR)
Amstrup, Steven C.
Wiig, Øystein.
International Union for Conservation of Nature and Natural Resources.Species Survival Commission.
Gland, Switzerland : IUCN,
1991.
Includes bibliographical references.
Polar bear