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  • × classification_ss:"025.4/31 / dc21"
  • × theme_ss:"International bedeutende Universalklassifikationen"
  • × year_i:[1990 TO 2000}
  • × type_ss:"m"
  1. Scott, M.L.: Dewey Decimal Classification, 21st edition : a study manual and number building guide (1998) 1.00
    1.0 = *:*, product of:
      1.0 = boost
      1.0 = queryNorm