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  1. ¬Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf : Methodische Erkenntnisse und Erfahrungen; OPAC-Kolloquium am 27.-28.11.1989 (1991) 0.00
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    RSWK
    Online-Katalog / Aufsatzsammlung (BVB)
    Subject
    Online-Katalog / Aufsatzsammlung (BVB)
  2. Online-Benutzerkataloge : Vergleich von OPACs mit Ausleihfunktionen an deutschen Universitätsbibliotheken (1994) 0.00
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    Isbn
    3-924659-22-2