Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977)
0.01
0.014352133 = product of:
0.07176066 = sum of:
0.07176066 = weight(_text_:index in 6424) [ClassicSimilarity], result of:
0.07176066 = score(doc=6424,freq=2.0), product of:
0.18579477 = queryWeight, product of:
4.369764 = idf(docFreq=1520, maxDocs=44218)
0.04251826 = queryNorm
0.3862362 = fieldWeight in 6424, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.369764 = idf(docFreq=1520, maxDocs=44218)
0.0625 = fieldNorm(doc=6424)
0.2 = coord(1/5)
- Content
- v. 1. Introduction, classified thesaurus, permuted index, hierarchical display.--v. 2. Alphabetical thesaurus.
