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Lehmann, O.; Lehmann, A.: Top-Platzierungen in Suchmaschinen (2002)
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Lehmann, K.: Zu ausgewählten Problemen der neuen Gliederung der Hauptgruppe R Belletristik : Hinweise und Titel (1984)
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Lehmann, K.: ¬Die Klassifikation für Allgemeinbibliotheken (KAB) (1992)
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Lehmann, K.: Zur Klassifizierung von Darstellungen über einzelne Familien (1991)
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Glotz, P.: ¬Der Staat muß begreifen, daß er als Moderator tätig werden muß : Bisher weiß niemand, wie weit neue Informationstechnologien auch neue Märkte erschließen werden (1997)
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Osterode, A.: Wegweiser durch den Dschungel bibliothekarischer Fachinformation : www.bibliotheksportal.de bietet Auskunft für Experten und Externe (2007)
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Altmann, O.: Internet in Öffentlichen Bibliotheken : Nutzungsmöglichkeiten und Probleme (1997)
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Öffentliche Bibliotheken und Bibliotheksverbünde in Nordrhein-Westfalen, Deutschland und Europa : Vorträge eines internationalen Kolloquiums am 15. und 16. Juni 1998 in Düsseldorf. Veranstaltet von den Stadtbüchereien Düsseldorf und dem Ministerium für Arbeit, Soziales und stadtentwicklung, Kultur und Sport des Landes Nordrhein-Westfalen (1998)
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