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  • × language_ss:"e"
  • × type_ss:"r"
  • × year_i:[1970 TO 1980}
  1. Wåhlin, E.: Research on classification systems : summarizing report on research on classification systems and their applications (1978) 0.03 
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  2. Wheelbarger, J.J.; Clouse, R.W.: ¬A comparision of a manual library reclassification project with a computer automated library reclassification project (1975) 0.02 
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