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Lukas, E.: Datenbanken für Journalisten (1986)
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Lukas, E.: INDEX : Ein Programm zur Erstellung von Wörterbüchern und Dokumentationssprachen auf Personal-Computern (1988)
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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)
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