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  • × year_i:[1980 TO 1990}
  1. Gattermann, G.: Probleme des Online-Benutzerkatalogs : Erfahrungen aus dem OPAC-Projekt der Universitätsbibliothek Düsseldorf (1989) 9.91 
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    Gattermann, G.
  2. Gattermann, G.: Online public access catalogue (1985) 9.91 
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