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Lukas, E.: Datenbanken für Journalisten (1986) 0.04

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Lukas, E.: Zur Frage der Vereinheitlichung von Information-Retrieval-Sprachen : ein Vergleich der Dialogfunktionen von DIRS3, DOMESTIC und GOLEM 3.0 mit der Common Command Language (1980) 0.02

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Source: Datenbasen, Datenbanken, Netzwerke: Praxis des Information Retrieval. Hrsg.: R. Kuhlen. Bd.3: Nutzung und Bewertung von Retrievalsystemen