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
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 Author(s) 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 Author(s) 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
Polar bears : proceedings of the eighth Working Meeting of the IUCN/SSC Polar Bear Specialist Group, held at the Ministry of Environment, Oslo, Norway, 15-19 January 1981
Polar bears : proceedings of the ninth Working Meeting of the IUCN/SSC Polar Bear Specialist Group held at Edmonton, Canada, 9-11 August 1985
