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Haanen, E.: Specificiteit en consistentie : een kwantitatief oderzoek naar trefwoordtoekenning door UBA en UBN (1991)
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Odini, C.: ¬The performance of manual indexes and online databases in information retrieval (1994)
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Odini, C.: ¬The performance of manual indexes and online databases in information retrieval (1997)
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Maron, M.E.; Kuhns, I.L.: On relevance, probabilistic indexing and information retrieval (1960)
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Preston, L.A.; Ebbs, C.M.; Luther, J.: 'Full text' access evaluation : are we getting the real thing? (1998)
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