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  • × author_ss:"Thirmann, F."
  • × theme_ss:"Klassifikationssysteme"
  1. Thirmann, F.: ¬A classification scheme for intellectual property holdings (1993) 0.00
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    Footnote
    Rez. in: Catalog & index 1995, no.116, S.8 (D. Brunt)
    Pages
    63 S