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Lancaster, F.W.; Connell, T.H.; Bishop, N.; McCowan, S.: Identifying barriers to effective subject access in library catalogs (1991)
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Peters, T.A.; Kurth, M.: Controlled and uncontrolled vocabulary subject searching in an academic library online catalog (1991)
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Tillotson, J.: Is keyword searching the answer? (1995)
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Drabenstott, K.M.; Weller, M.S.: Improving personal-name searching in online catalogs (1996)
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Kilgour, F.G.; Moran, B.B.; Barden, J.R.: Retrieval effectiveness of surname-title-word searches for known items by academic library users (1999)
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Wien, C.: Sample sizes and composition : their effect on recall and precision in IR experiments with OPACs (2000)
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