Search (2 results, page 1 of 1)
- Did you mean:
- object's%3a%22sdnb-cd retro 1945%2471%22 2
- object's%3a%22sdnb-cd retro 1045%2471%22 2
- object's%3a%22sdnb-cd retro 1945%2071%22 2
- object's%3a%23sdnb-cd retro 1945%2471%22 2
- objects%3a%22sdnb-cd retro 1945%2471%22 2
-
Large, J.A.: Evaluating online and CD-ROM reference sources (1989)
0.01
0.009915429 = product of: 0.029746287 = sum of: 0.029746287 = product of: 0.11898515 = sum of: 0.11898515 = weight(_text_:cd in 4010) [ClassicSimilarity], result of: 0.11898515 = score(doc=4010,freq=2.0), product of: 0.16313457 = queryWeight, product of: 4.125929 = idf(docFreq=1940, maxDocs=44218) 0.03953887 = queryNorm 0.72936803 = fieldWeight in 4010, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 4.125929 = idf(docFreq=1940, maxDocs=44218) 0.125 = fieldNorm(doc=4010) 0.25 = coord(1/4) 0.33333334 = coord(1/3)
-
Large, J.A.: New Grolier electronic encyclopedia (1990)
0.01
0.008676 = product of: 0.026028 = sum of: 0.026028 = product of: 0.104112 = sum of: 0.104112 = weight(_text_:cd in 8982) [ClassicSimilarity], result of: 0.104112 = score(doc=8982,freq=2.0), product of: 0.16313457 = queryWeight, product of: 4.125929 = idf(docFreq=1940, maxDocs=44218) 0.03953887 = queryNorm 0.638197 = fieldWeight in 8982, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 4.125929 = idf(docFreq=1940, maxDocs=44218) 0.109375 = fieldNorm(doc=8982) 0.25 = coord(1/4) 0.33333334 = coord(1/3)
- Source
- CD-ROM information products: an evaluative guide and directory. Ed.: C.J. Armstrong et al