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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

Novotny, E,: I don't think I click : a protocol analysis study of use of a library online catalog in the Internet age (2004) 0.00

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Source: College and research libraries. 65(2004) no.6, S.525-563

Cooper, M.D.: Usage patterns of a Web-based library catalog (2001) 0.00

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Source: Journal of the American Society for Information Science and technology. 52(2001) no.2, S.137-148

Chen, H.-M.; Cooper, M.D.: Stochastic modeling of usage patterns in a Web-based information system (2002) 0.00

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Source: Journal of the American Society for Information Science and technology. 53(2002) no.7, S.536-548

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