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Franceschi, L.de: Percorsi di ricerca nell'OPAC del opol bolognese SBN (1998)
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Peters, T.A.: When smart people fail : an analysis of the transaction log of an online public access catalog (1989)
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Zorn, M.J.; Marshall, L.: Graphical user interfaces and library systems : end user reactions (1995)
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Spink, A.; Beatty, L.: Multiple search sessions by end-users of online catalogs and CD-ROM databases (1995)
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Mi, J.; Weng, C.: Revitalizing the library OPAC : interface, searching and display challenges (2008)
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