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Umstätter, W.: Interpersonal Computing im Internet (1994)
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- Information und Medienvielfalt: 16. Online-Tagung der DGD, Frankfurt am Main, 17.-19.5.1994. Proceedings. Hrsg.: W. Neubauer u. R. Schmidt
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Umstätter, W.: Nutzen der Indexierung bei Online-Datenbanken (1992)
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- 14. Online-Tagung der DGD, Frankfurt am Main, 27. bis 30. April 1992: Proceedings. Hrsg.: W. Neubauer u. S. Plagemann
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Umstätter, W.: Was bedeutet Informationskompression beim Angebot neuer Medien? (1993)
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- Fachinformation im Spiegel der Konjunktur: 15. Online- Tagung der DGD, Frankfurt am Main, 25.-27.5.1993: Proceedings. Hrsg.: W. Neubauer u. P. Schubert-Scheinmann
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Umstätter, W.: Schrift, Information, Interpretation und Wissen (1992)
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Umstätter, W.: ¬Die Kunst der Frage (1993)
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Umstätter, W.: Anwendung von Internet : eine Einführung (1995)
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Umstätter, W.: Probleme, Möglichkeiten und Konsequenzen des Einsatzes von Scannern in Bibliotheken (1991)
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Umstätter, W.: ¬Die evolutionsstrategische Entstehung von Wissen (1992)
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Umstätter, W.: ¬Die Messung von Wissen (1998)
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Ewert, G.; Umstätter, W.; Krabbe, W.; Luther, W.M.: Lehrbuch der Bibliotheksverwaltung : auf der Grundlage des Werkes von Wilhelm Krabbe und Wilhelm Martin Luther völlig neu bearb. von Gisela Ewert und Walther Umstätter (1997)
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Umstätter, W.: ¬Die Zukunft des Buches (1998)
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Umstätter, W.: Wäre es nicht langsam Zeit, die Informationstechnologie in der bibliothekarischen Sacherschließung etwas erster zu nehmen? : ein Wort zur RSWK (1991)
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Umstätter, W.: ¬Die Rolle der Dokumentation bei der Entstehung der Digitalen Bibliothek und ihre Konsequenzen für die Bibliothekswissenschaft (1995)
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Umstätter, W.: ¬Die Skalierung von Information, Wissen und Literatur (1992)
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Schwarz, I.; Umstätter, W.: ¬Die vernachlässigten Aspekte des Thesaurus : Dokumentarische, pragmatische, semantische und syntaktische Einblicke (1999)
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Schwarz, I.; Umstätter, W.: Zum Prinzip der Objektdarstellung in SGML (1998)
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