Katz, W.A.: Introduction to reference work : Vol.1: Basic information sources; vol.2: Reference services and reference processes (1992)
0.00
0.004440654 = product of:
0.008881308 = sum of:
0.008881308 = product of:
0.017762616 = sum of:
0.017762616 = weight(_text_:i in 3364) [ClassicSimilarity], result of:
0.017762616 = score(doc=3364,freq=2.0), product of:
0.17049882 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.045204412 = queryNorm
0.10418029 = fieldWeight in 3364, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.01953125 = fieldNorm(doc=3364)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
