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  1. Weichert, M.: "Gibt es auch Wahnsinn" : Benutzeruntersuchungen an einem Hamburger WebOPAC (2002) 0.00
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    Source
    Bibliothek: Forschung und Praxis. 26(2002) H.2, S.142-149
  2. Chen, H.-M.; Cooper, M.D.: Stochastic modeling of usage patterns in a Web-based information system (2002) 0.00
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