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  • × year_i:[2010 TO 2020}
  1. Sears' list of subject headings (2010) 10.09 
    10.09203 = weight(ddc_ss:025.4/9 / dc22 in 618) [ClassicSimilarity], result of:
  10.09203 = fieldWeight in 618, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    10.09203 = idf(docFreq=4, maxDocs=44421)
    1.0 = fieldNorm(doc=618)
    Classification
    025.4/9 / dc22
    Ddc
    025.4/9 / dc22