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
,GDR People's Chamber adopted law on GDR-FRG General Relations Treaty,,Verlag Zeit im Bild,1973,Documents on the policy of the German Democratic Republic,,,,https://cir.nii.ac.jp/crid/1130282271883291264