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Zillmann, H.: RSWK im Dienstleistungsspektrum des Bibliotheksrechenzentrums für Niedersachsen (BRZN) (1987)
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Zillmann, H.: PICA als integriertes Verbundsystem (1991)
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Zillmann, H.: OPAC-Design im PICA-Lokalsystem LBS3 (1991)
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Zillmann, H.: Erwerbung mit ALLEGRO : 1 Jahr Routinebetrieb in Osnabrück (1992)
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Zillmann, H.: OSIRIS und eLib : Information Retrieval und Search Engines in Full-text Databases (2001)
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Becker, H.J.; Diedrichs, R.; Eversberg, B.; Rath-Beckmann, A.; Wätjen, H.-J.; Zick, W.; Zillmann, H.: ¬Das PICA-System (1992)
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Plaister, J.: PICA : Centrum voor Bibliotheekautomatisering (1987)
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Vries, D.D.: Automation of a map catalogue within the Pica-system : its evident profits and unsolved implications (1992)
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Honeit, W.: ¬Der Online-Benutzerkatalog im lokalen Bibliothekssystem der Deutschen Bücherei Leipzig (1995)
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ABC Bücherdatenbank (1996)
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