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Byrne, A.; Micco, M.: Improving OPAC subject access : the ADFA experiment (1988)
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Pretzsch, J.: ¬Der OPAC des Deutschen Patentamts und seine sachlichen Zugriffsmöglichkeiten : Sacherschließung des Buchbestandes der Bibliothek (1988)
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Pretzsch, J.: ¬Der EDV-Katalog der Bibliothek des Deutsches Patentamts (1985)
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Massicotte, M.: Improved browsable displays for online subject access (1988)
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Kaske, N.K.: ¬A comparative study of subject searching in an OPAC among branch libraries of a university library system (1988)
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Gerhan, D.R.: LCSH in vivo : subject searching performance and strategy in the OPAC era (1989)
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Doszkocs, T.E.: CITE NLM: Natural language searching in an online catalog (1983)
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Markey, K.: Thus spoke the OPAC user (1983)
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Beiser, K.: CD-ROM catalogs : the state of the art (1988)
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Jones, R.M.: Online catalogue research in Europe (1989)
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Trenner, L.: ¬A comparative survey of the friendliness of online "help" in interactive information retrieval systems (1989)
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Janosky, B.; Smith, P.; Hildreth, C.R.: Online library cataloging systems : an analysis of user errors (1986)
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Buxton, A.; Trenner, L.: ¬An experiment to assess the friendliness of error messages from interactive information retrieval systems (1987)
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Trenner, L.: How to win friends and influence people : definitions of user-friendliness in interactive computer systems (1987)
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Ostroff, D.; Shneiderman, B.: Selection devices for user of an electronic encyclopedia : an empirical comparison of four possibilities (1988)
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Walker, S.: ¬Der Mensch-Maschine-Dialog bei Online-Benutzer-Katalogen (1987)
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Senzig, D.: Library catalogs for library users (1984)
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Bates, M.J.: ¬The fallacy of the perfect thirty-item online search (1984)
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Markey, K.: Alphabetical searching in an online catalog (1989)
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Greenwood, D.: OPAC research in the UK (1989)
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