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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.: Was verändert die Informationstechnologie in den Universitätsbibliotheken? (1989)
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Umstätter, W.: ¬Die Zukunft des Buches (1998)
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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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Mayr, P.; Umstätter, W.: ¬Eine bibliometrische Zeitschriftenanalyse mit Jol Scientrometrics und NfD bzw. IWP (2008)
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Umstätter, W.: Wissen als geistiges Eigentum (2011)
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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.; Rehm, M.; Dorogi, Z.: ¬Die Halbwertszeit in der naturwissenschaftlichen Literatur (1982)
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Umstätter, W.: Bibliographie, Kataloge, Suchmaschinen : Das Ende der Dokumentation als modernes Bibliothekswesen (2005)
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