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Thissen, F.: Verloren in digitalen Netzen : Nutzertests zur Optimierung der Bedienerfreundlichkei eines Online-Katalogs (2002)
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Schneider, R.: OPACs, Benutzer und das Web (2009)
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Moulaison, H.L.: OPAC queries at a medium-sized academic library : a transaction log analysis (2008)
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