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
"Ulbricht, Walter",With confidence and optimism we enter the 1970's : New Year's message,,Verlag Zeit im Bild,1970,Documents on the national and international policy of the GDR,,,,https://cir.nii.ac.jp/crid/1130000795213414272