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  • × language_ss:"e"
  • × theme_ss:"Klassifikationssysteme im Online-Retrieval"
  • × author_ss:"Riesthuis, G.J.A."
  1. Riesthuis, G.J.A.; Bliedung, S.: Thesaurification of UDC: preliminary report (1990) 1.00
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  2. Riesthuis, G.J.A.: Decomposition of UDC-numbers and the text of the UDC Master Reference File (1998) 1.00
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