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Geiß, D.: Entwurf für ein deutsches Patentinformationssystem : eine Zwischenbilanz (1988)
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Taube, U.-F.: ¬Die Internationale Patentklassifikation (IPC) und ihre Anwendung in der Bibliothek des Deutschen Patentamtes (1979)
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Hartung, V.: ¬Das Patentinformationssystem PATIS des Deutschen Patentamtes (1995)
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Handbuch der Datenbanken für Naturwissenschaft und Technik, Patente (1994)
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Krestel, H.: Informationen aus der Patentdokumentation : unverzichtbare Grundlagen für die Entwicklung und Strategieplanung im Unternehmen (1990)
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