著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "International Conference on Bear Research and Management and Herrero, Stephen and Environmental Sciences Centre (Kananaskis) and University of Calgary","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",,International Union for Conservation of Nature and Natural Resources,1972,IUCN publications,,,,https://cir.nii.ac.jp/crid/1130000797405653632