Lansdale, M.W.; Ormerod, T.C.: Understanding interfaces : a handbook of human-computer interaction (1994)
0.08
0.0826007 = product of:
0.1652014 = sum of:
0.1652014 = product of:
0.3304028 = sum of:
0.3304028 = weight(_text_:m.w in 8813) [ClassicSimilarity], result of:
0.3304028 = score(doc=8813,freq=2.0), product of:
0.38314402 = queryWeight, product of:
7.805067 = idf(docFreq=48, maxDocs=44218)
0.049089137 = queryNorm
0.86234623 = fieldWeight in 8813, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.805067 = idf(docFreq=48, maxDocs=44218)
0.078125 = fieldNorm(doc=8813)
0.5 = coord(1/2)
0.5 = coord(1/2)