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Kuhlthau, C.C.: Inside the search process : Information seeking from the user's perspective (1991)
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Markey, K.: Online catalog use : results of surveys and focus group interviews in several libraries (1983)
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Alexander, B.B.; Gyeszly, S.D.: OPAC or card catalog : patrons preference in an academic library (1991)
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Ensor, P.: User characteristics of keyword searching in an OPAC (1992)
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Borgman, C.L.: Why are online catalogs hard to use? : lessons learned from information-retrieval studies (1986)
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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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