Walravens, H.: ISBN - International Standard Book Number : bibliography ; literature on the ISBN and ISMN (International Standard Music Number) from all over the world : compiled and with a review about 40 years ISBN = ISBN - Internationale Standard Buchnummer (2011)
0.01
0.007752258 = product of:
0.038761288 = sum of:
0.038761288 = weight(_text_:21 in 3036) [ClassicSimilarity], result of:
0.038761288 = score(doc=3036,freq=2.0), product of:
0.1887428 = queryWeight, product of:
3.0979297 = idf(docFreq=5425, maxDocs=44218)
0.060925465 = queryNorm
0.20536566 = fieldWeight in 3036, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0979297 = idf(docFreq=5425, maxDocs=44218)
0.046875 = fieldNorm(doc=3036)
0.2 = coord(1/5)
- Isbn
- 978-3-940862-21-1
