Media type: E-Article Title: Zum Sachzugriff über Stichworte in Online-Publikumskatalogen (OPACs) Contributor: NOHR, HOLGER imprint: Walter de Gruyter GmbH, 1991 Published in: Libri Language: Not determined DOI: 10.1515/libr.1991.41.3.165 ISSN: 0024-2667; 1865-8423 Keywords: Library and Information Sciences Origination: Footnote: