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Dabrowski, M.; Synak, M.; Kruk, S.R.: Bibliographic ontology (2009)
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Díaz, P.: Usability of hypermedia educational e-books (2003)
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Belkin, N.J.; Marchetti, P.G.; Albrecht, M.; Fusco, L.; Skogvold, S.; Stokke, H.; Troina, G.: User interfaces for information systems (1991)
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Zia, L.L.: Growing a national learning environments and resources network for science, mathematics, engineering, and technology education : current issues and opportunities for the NSDL program (2001)
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Lee, N.S.: InfoStation: a multimedia access system for library automation (1990)
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