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Recker, M.M.: Cognitive media types for multimedia information access (1995)
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Zillmann, H.: RSWK im Dienstleistungsspektrum des Bibliotheksrechenzentrums für Niedersachsen (BRZN) (1987)
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Zillmann, H.: PICA als integriertes Verbundsystem (1991)
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Zillmann, H.: ¬Das niederländische PICA-System : Stand: Mai 1990 (1990)
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Zillmann, H.: OPAC-Design im PICA-Lokalsystem LBS3 (1991)
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Congreve, J.: Subject access (1991)
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Ayres, F.H.; Nielsen, L.P.S.; Ridley, M.J.: ¬The Bradford OPAC2 : Managing and displaying retrievals from a distributed search in Z39.50 (1998)
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Scholz, E.: Bibliotheks-Verbund Bayern (BVB) (1992)
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Harman, D.: User-friendly systems instead of user-friendly front-ends (1992)
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Chen, H.; Dhar, V.: Cognitive process as a basis for intelligent retrieval system design (1991)
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