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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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De Rosa, C.; Cantrell, J.; Cellentani, D.; Hawk, J.; Jenkins, L.; Wilson, A.: Perceptions of libraries and information resources : A Report to the OCLC Membership (2005)
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