Aitchison, J. (1977). Unesco Thesaurus: A structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication. Unesco.
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Chicago-čujuhus (17. p.)
Aitchison, Jean. Unesco Thesaurus: A Structured List of Descriptors for Indexing and Retrieving Literature in the Fields of Education, Science, Social Science, Culture and Communication. Paris: Unesco, 1977.
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MLA-čujuhus (9. p.)
Aitchison, Jean. Unesco Thesaurus: A Structured List of Descriptors for Indexing and Retrieving Literature in the Fields of Education, Science, Social Science, Culture and Communication. Unesco, 1977.
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