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Principles underlying subject heading languages (SHLs) (1999)
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- Theme
- Verbale Doksprachen im Online-Retrieval
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¬The LCSH century : One hundred years with the Library of Congress Subject Headings system (2000)
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- Theme
- Verbale Doksprachen im Online-Retrieval
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Nuovo soggettario : guida al sistema italiano di indicizzazione per soggetto, prototipo del thesaurus (2007)
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- Theme
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