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Rijsbergen, C.J. van: Information retrieval (1979)
11.01
11.008321 = weight(ddc_ss:029.7 in 981) [ClassicSimilarity], result of: 11.008321 = fieldWeight in 981, product of: 1.0 = tf(freq=1.0), with freq of: 1.0 = termFreq=1.0 11.008321 = idf(docFreq=1, maxDocs=44421) 1.0 = fieldNorm(doc=981)
- Classification
- 029.7
- Ddc
- 029.7
- DDC
- 029.7