Mudge, I.G.: New guide to reference books (1923)
0.04
0.04327585 = product of:
0.1731034 = sum of:
0.1731034 = weight(_text_:reference in 83) [ClassicSimilarity], result of:
0.1731034 = score(doc=83,freq=2.0), product of:
0.19255297 = queryWeight, product of:
4.0683694 = idf(docFreq=2055, maxDocs=44218)
0.047329273 = queryNorm
0.8989911 = fieldWeight in 83, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.0683694 = idf(docFreq=2055, maxDocs=44218)
0.15625 = fieldNorm(doc=83)
0.25 = coord(1/4)