Dillon, A.: Designing usable electronic text : ergonomic aspects of human information usage (1994)
0.03
0.028253464 = product of:
0.08476039 = sum of:
0.08476039 = weight(_text_:electronic in 2884) [ClassicSimilarity], result of:
0.08476039 = score(doc=2884,freq=2.0), product of:
0.19623034 = queryWeight, product of:
3.9095051 = idf(docFreq=2409, maxDocs=44218)
0.05019314 = queryNorm
0.43194336 = fieldWeight in 2884, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9095051 = idf(docFreq=2409, maxDocs=44218)
0.078125 = fieldNorm(doc=2884)
0.33333334 = coord(1/3)
