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Ensor, P.: User characteristics of keyword searching in an OPAC (1992)
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Makinen, R.H.; Friesen B.: Enhancing online bibliographic records to improve retrieval of reference collection monographs (1995)
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Larson, R.R.: ¬The decline of subject searching : long-term trends and patterns of index use in an online catalog (1991)
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Hirsh, S.G.; Borgman, C.L.: Comparing children's use of browsing and keyword searching on the Science Library catalog (1995)
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Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992)
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