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 Unesco,"Use and conservation of the biosphere : proceedings of the intergovernmental conference of experts on the scientific basis for rational use and conservation of the resources of the biosphere, Paris, 4-13 September 1968",,Unesco,1970,Natural resources research,,,,https://cir.nii.ac.jp/crid/1130000797667464704