Search (1 results, page 1 of 1)

  • × classification_ss:"AN 94500"
  • × year_i:[1970 TO 1980}
  • × subject_ss:"Subject headings"
  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) 1.00
    1.0 = *:*, product of:
      1.0 = boost
      1.0 = queryNorm