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Dehnhard, H.: Probleme einer simultanen Bearbeitung alphabetischer und systematischer Sachkataloge mit Hilfe der elektronischen Datenverarbeitung (1968) 0.03

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Source: Elektronische Datenverarbeitung in der Universitätsbibliothek Bochum. Hrsg.: G. Pflug

Bauer, G.: Anwendung des Prinzips der Facettenklassifikation für den Aufbau von Thesauri : Erläutert am Beispiel "Thesaurussystem Chemie" (1967) 0.01

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