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Allen, B.: Topic knowledge and online catalog search formulation (1991)
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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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Bishop, D.F.: ¬The CLR OPAC study : analysis of ARL user responses (1983)
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Gattung, B.: Zur Analyse des Benutzerverhaltens. T.1 (1991)
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Dreis, G.: Zur Analyse des Benutzerverhaltens. T.2 (1991)
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Akeroyd, J.: Information seeking in online catalogues (1990)
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Norden, D.J.; Lawrence, G.H.: Public terminal use in an online catalog : some preliminary results (1981)
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Sage, C.; Klaas, J.; Spalding, H.H.; Robinson, T.: ¬A queueing study of public catalog use (1981)
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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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Franken, K.: Einige Probleme benutzerorientierter Sacherschließung : dargestellt an Recherchemitschnitten der Universitätsbibliothek Konstanz (1990)
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Hancock, M.: Subject searching behaviour at the library catalogue and at the shelves : implications for online interactive catalogues (1987)
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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.: When smart people fail : an analysis of the transaction log of an online public access catalog (1989)
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Klugman, S.: Failures in subject retrieval (1989)
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Nye, J.B.: User interaction with the authority structure of the online catalog : results of a survey (1988)
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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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Croucher, C.: Problems of subject access : user studies and interface design (1986)
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Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992)
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Janosky, B.: Online library catalog systems : an analysis of user errors (1986)
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