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  • × author_ss:"Scharnhorst, A."
  • × theme_ss:"Geschichte der Klassifikationssysteme"
  1. Salah, A.A.; Gao, C.; Suchecki, K.; Scharnhorst, A.; Smiraglia, R.P.: ¬The evolution of classification systems : ontogeny of the UDC (2012) 1.00 
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