Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Koops, Willem R. H. and Wieder, Joachim",IFLA's first fifty years : achievement and challenge in international librarianship,,Verlag Dokumentation,1977,IFLA publications,,3794044304,,https://cir.nii.ac.jp/crid/1130282273228070144