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  • × language_ss:"e"
  • × theme_ss:"Klassifikationssysteme"
  • × type_ss:"?"
  1. Herschman, A.: ¬A faceted classification scheme for physics (1967) 0.00 
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  2. Schneider, J.H.: ¬A classification of information science and library science topics plus an alphabetical index to the classification (1975) 0.00 
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  3. Mathematics subject classification (1991) 0.00 
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  4. ¬A classification of library and information science (1975) 0.00 
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