Duchemin, P.-Y.: BN OPALINE : the map database in the Department des Cartes et Plans de la Bibliothèque Nationale: history (1993)
0.02
0.016606282 = product of:
0.049818847 = sum of:
0.049818847 = weight(_text_:p in 916) [ClassicSimilarity], result of:
0.049818847 = score(doc=916,freq=2.0), product of:
0.15676093 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.04359905 = queryNorm
0.31780142 = fieldWeight in 916, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.0625 = fieldNorm(doc=916)
0.33333334 = coord(1/3)
