Ullmann, M.B.: ¬The indexing and distribution of Census Publications (1954)
0.00
0.0015842128 = product of:
0.014257914 = sum of:
0.014257914 = weight(_text_:of in 6225) [ClassicSimilarity], result of:
0.014257914 = score(doc=6225,freq=2.0), product of:
0.05157766 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03298316 = queryNorm
0.27643585 = fieldWeight in 6225, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.125 = fieldNorm(doc=6225)
0.11111111 = coord(1/9)