Root thesaurus. Pt.1.2 (1985)
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- Date
- 18. 5.2007 14:22:43
- Issue
- 2nd ed.
Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social and human science, culture and communication and information (1995)
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- Issue
- 2nd ed. Vol.1.2.
