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 Nov., 1970, under the sponsorship of the Environmental Sciences Centre (Kananaskis) and the University of Calgary /
edited by Stephen Herrero.
- Morges, Switzerland : International Union for Conservation of Nature and Natural Resources, 1972.
- International Union for the Conservation of Nature and Natural Resources. IUCN publications : New ser. ; no. 23 .
- International Union for Conservation of Nature and Natural Resources. IUCN publications . New ser. ; International Union for Conservation of Nature and Natural Resources. IUCN publications . New ser. ; International Union for Conservation of Nature and Natural Resources. IUCN publications . New ser. ; n .