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Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
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Biebricher, P.; Fuhr, N.; Niewelt, B.: ¬Der AIR-Retrievaltest (1986)
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Jochum, F.; Weissmann, V.: Struktur und Elemente des Information Retrieval Experiments (1985)
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