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Bergen, C. van; Mastenbroek, O.: Wat wil de gebruiker? : onderwerpsontsluiting bij de Universiteitsbibliotheek Utrecht (1995)
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Perzylo, L.; Oliver, R.: ¬An investigation of children's use of a multimedia CD-ROM product for information retrieval (1992)
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Hochheiser, H.; Shneiderman, B.: Understanding patterns of user visits to Web sites : Interactive Starfield visualizations of WWW log data (1999)
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