Ursus maritimus

Polar bears : proceedings of the third Working Meeting of the Polar Bear Specialist Group, organized by the Survival Service Commission of IUCN, 7-10 February 1972, at Morges, Switzerland

1972

Bears : their biology and management : a selection of papers of the third International Conference on Bear Research and Management, Binghamton, New York, USA and Moscow, USSR, June 1974

1976 Pelton, Michael R. | Lentfer, Jack W. | Folk, G. Edgar |

Bears : their biology and management : a selection of papers and discussion from the second International Conference on Bear Research and Management held at the University of Calgary, Alberta, Canada, 6 to 9 November 1970

1970 Herrero, Stephen |

Polar bears : proceedings of the seventh Working Meeting of the IUCN Polar Bear Specialist Group and proceedings of the sixth working Meeting of the IUCN Polar Bear Specialist Group

1980
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