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 "Sifonios, David",Environmental process and production methods (PPMs) in WTO law,,Springer,2018,European yearbook of international economic law,,9783319657257,,https://cir.nii.ac.jp/crid/1130000796977689216