Search (2 results, page 1 of 1)

  • × year_i:[1970 TO 1980}
  1. Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977) 9.06
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  2. Gilchrist, A.: ¬The thesaurus in retrieval (1971) 9.06
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