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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.: Szientometrische Verfahren (2004)
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- Grundlagen der praktischen Information und Dokumentation. 5., völlig neu gefaßte Ausgabe. 2 Bde. Hrsg. von R. Kuhlen, Th. Seeger u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried. Bd.1: Handbuch zur Einführung in die Informationswissenschaft und -praxis
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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.; 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