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Document delivery and interlibrary lending : Nordic-German Workshop on Document Delivery and Interlibrary Lending (1997)
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Hulser, R.P.: Overview of graphical user interfaces (1992)
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Jones, R.M.: Online catalogue research in Europe (1989)
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Ballard, T.; Smith, J.: ¬The human interface : an ongoing study of OPAC usage at Adelphi University (1992)
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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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