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Umstätter, W.: Schrift, Information, Interpretation und Wissen (1992)
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- Bibliothek: Forschung und Praxis. 16(1992) H.2, S.264-266
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Umstätter, W.: ¬Die Kunst der Frage (1993)
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- Bibliotheksdienst. 27(1993) H.8, S.1180-1191
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Umstätter, W.: Informetrische Hilfe durch das 'intelligente Terminal' (1986)
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- Deutscher Dokumentartag 1986, Freiburg, 8.-10.10.1986: Bedarfsorientierte Fachinformation: Methoden und Techniken am Arbeitsplatz. Bearb.: H. Strohl-Goebel
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Umstätter, W.: ¬Die Messung von Wissen (1998)
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- nfd Information - Wissenschaft und Praxis. 49(1998) H.4, S.221-224
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Umstätter, W.: ¬Die Folgen der Online-Revolution : Begabungsförderung durch lnformationskompetenz (2009)
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- BuB. 61(2009) H.10, S.729-732
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Nourmohammadi, H.A.; Umstätter, W.: ¬Die Verteilung der Autorenhäufigkeit in wissenschaftlichen Zeitschriften bei verschiedenen Themen und Ländern (2004)
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- Information - Wissenschaft und Praxis. 55(2004) H.5, S.275-281
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Mayr, P.; Umstätter, W.: ¬Eine bibliometrische Zeitschriftenanalyse mit Jol Scientrometrics und NfD bzw. IWP (2008)
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- Information - Wissenschaft und Praxis. 59(2008) H.6/7, S.353-360
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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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- Nachrichten für Dokumentation. 46(1995) H.1, S.33-42
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Umstätter, W.; Rehm, M.; Dorogi, Z.: ¬Die Halbwertszeit in der naturwissenschaftlichen Literatur (1982)
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- Nachrichten für Dokumentation. 33(1982) H.2, S.50-52
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Umstätter, W.: Bibliographie, Kataloge, Suchmaschinen : Das Ende der Dokumentation als modernes Bibliothekswesen (2005)
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- Bibliotheksdienst. 39(2005) H.11, S.1442-1456
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Umstätter, W.: DDC in Europa : Hat der Einsatz in der Deutschen Nationalbibliothek unsere Zunft weitergebracht? Hat unsere Klientel etwas davon? (2008)
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- Bibliotheksdienst. 42(2008) H.11, S.1194-1221
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Umstätter, W.: ¬Die Skalierung von Information, Wissen und Literatur (1992)
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- Nachrichten für Dokumentation. 43(1992) H.4, S.227-242
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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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- Herausforderungen an die Wissensorganisation: Visualisierung, multimediale Dokumente, Internetstrukturen. 5. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation Berlin, 07.-10. Oktober 1997. Hrsg.: H. Czap u.a