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Ritzler, C.: Comparative study of PC-supported thesaurus software (1990)
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Ellsbury, S.H.; Roberts, L.: Selected list of software for organizing bibliographic references and creating bibliographies (1992)
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Sieverts, E.: ProCite voor de eingebruiker (1997)
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Milstead, J.L.: Specifications for thesaurus software (1991)
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Keen, E.M.: Aspects of computer-based indexing languages (1991)
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