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  • × subject_ss:"Documents / Subject classification"
  • × year_i:[1990 TO 2000}
  1. Batty, D.: ¬An introduction to the twentieth edition of the Dewey Decimal Classification (1992) 0.00 
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  2. Mills, J.; Broughton, V.: Bliss Bibliographic Classification : Introduction and auxiliary schedules (1992) 0.00 
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  3. Classification of library materials : current and future potential for providing access (1990) 0.00 
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