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  • × author_ss:"Gattermann, G."
  • × theme_ss:"OPAC"
  • × year_i:[1980 TO 1990}
  1. Gattermann, G.: Probleme des Online-Benutzerkatalogs : Erfahrungen aus dem OPAC-Projekt der Universitätsbibliothek Düsseldorf (1989) 0.01 
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  2. Gattermann, G.: Online public access catalogue (1985) 0.01 
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