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 "Hohmann, Harald",Precautionary legal duties and principles of modern international environmental law : the precautionary principle : international environmental law between exploitation and protection,,"Graham & Trotman/Martinus Nijhoff,Kluwer Academic Publishers Group",1994,International environmental law and policy series,,1853339113,,https://cir.nii.ac.jp/crid/1130282271831810688