Langfeldt, J.: Zum Problem und zur Geschichte der Systematik : T.1-2. (1957)
0.02
0.020362305 = product of:
0.04072461 = sum of:
0.04072461 = product of:
0.08144922 = sum of:
0.08144922 = weight(_text_:j in 1219) [ClassicSimilarity], result of:
0.08144922 = score(doc=1219,freq=2.0), product of:
0.14500295 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.045634337 = queryNorm
0.5617073 = fieldWeight in 1219, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.125 = fieldNorm(doc=1219)
0.5 = coord(1/2)
0.5 = coord(1/2)
