Taube, M.: ¬The planning and the preparation of the Technical Information Pilot and its cumulative index (1948)
0.01
0.012539689 = product of:
0.025079379 = sum of:
0.025079379 = product of:
0.050158758 = sum of:
0.050158758 = weight(_text_:m in 6208) [ClassicSimilarity], result of:
0.050158758 = score(doc=6208,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = queryNorm
0.4398997 = fieldWeight in 6208, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.125 = fieldNorm(doc=6208)
0.5 = coord(1/2)
0.5 = coord(1/2)