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 "Levin, Aida Luisa",Protecting the human environment : procedures and principles for preventing and resolving international controversies,,United Nations Institute for Training and Research,1977,UNITAR study,,,,https://cir.nii.ac.jp/crid/1130282271961952000