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
,In firm community towards further successes : on a meeting of leading representatives of the communist and workers' parties of the socialist countries in the Crimea on 31 July 1972,,Verlag Zeit im Bild,1972,"Our point of view, DDR",,,,https://cir.nii.ac.jp/crid/1130000793770384384