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  • × classification_ss:"025.4/31 / dc21"
  • × subject_ss:"Dewey-Dezimalklassifikation"
  1. Scott, M.L.: Dewey Decimal Classification, 21st edition : a study manual and number building guide (1998) 0.02
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    Classification
    025.4/31 / dc21
    DDC
    025.4/31 / dc21