1
Published: [2013]
Superior document: Title is part of eBook package: De Gruyter DGBA Library Information Science <1990
2
Published: [2019];, [1971]
Superior document: Title is part of eBook package: De Gruyter DGBA Library Information Science <1990
3
Published: 1978
Superior document: Veröffentlichungen des Instituts für Bibliothekarausbildung der Freien Universität Berlin 17
4
Published: 1992
Superior document: Orientierungshilfen 23