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Karbach, N.: Suchverhalten von Benutzern an Online-Publikumskatalogen (1991)
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Schwarz, H.: Verhalten von Benutzern am Online-Katalog in Bibliotheken : Auswertung einer empirischen Untersuchung zur Überprüfung von Zielvorstellungen von Systementwicklern (1994)
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