-
Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977)
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- Classification
- 025.4/9 / dc19
- DDC
- 025.4/9 / dc19
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Root thesaurus. Pt.1.2 (1985)
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- Date
- 18. 5.2007 14:22:43
-
Standard-Thesaurus Wirtschaft online (2009)
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- Date
- 21.11.2011 11:41:22
