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  • × author_ss:"Mitchell, J.S."
  • × language_ss:"e"
  • × type_ss:"a"
  • × year_i:[1990 TO 2000}
  1. Mitchell, J.S.: Dewey Decimal Classification edition 20 : an overview of the changes (1991) 0.05
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    Source
    Dewey: an international perspective. Papers from a workshop on the Dewey Decimal classification and DDC20. Ed.: R.P. Holley