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Studwell, W.E.: Why not an 'AACR' for subject headings? (1985)
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- Date
- 7. 1.2007 13:22:01
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Austin, D.: PRECIS: Introduction (1987)
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Förschner, F.: ¬Eine Theorie zum Schlagwortkatalog (1987)
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Austin, D.; Digger, J.A.: PRECIS: The Preserved Context Index System (1985)
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