• UdC
  By javimoriarti in Empleo PDI > Norte with udc
• UDC Website
  
  The Universal Decimal Classification (UDC) is the world's foremost multilingual classification scheme for all fields of knowledge, a sophisticated indexing and retrieval tool
  classification consortium decimal management publishers udc universal update
  By mattgundersen in Spatial > Library Info with spatial library info udc website

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