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Bates, M.J.: Designing online catalog subject acces to meet user needs (1989)
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Pejtersen, A.M.; Jensen, H.; Speck, P.; Villumsen, S.; Weber, S.: Catalogs for children : the Book House project on visualization of database retrieval and classification (1993)
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Witt, M.: Survey on the use of the catalogue at the médiathèque of the cité des sciences et de l'industrie (CSI) (1993)
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