TY - BOOK ED - United Nations Educational, Scientific and Cultural Organisation TI - Unesco Thesaurus: A structured list of descriptors for indexing and retrieving literature in the field of education, science, social and human science, culture, communication and information, SN - 92 3 003100 3 U1 - R 025.33 PY - 1995/// CY - France PB - as author, ER -