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  • × year_i:[1990 TO 2000}
  1. NASA thesaurus (1994) 10.31
    10.310593 = weight(field_ss:Raumfahrt in 3980) [ClassicSimilarity], result of:
      10.310593 = fieldWeight in 3980, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        10.310593 = idf(docFreq=3, maxDocs=44218)
        1.0 = fieldNorm(doc=3980)
    
    Field
    Raumfahrt