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  • × theme_ss:"Geschichte der Klassifikationssysteme"
  • × year_i:[1970 TO 1980}
  1. Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971) 0.10 
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    Source
    Nachrichten für Dokumentation. 22(1971), S.55-63
  2. Dahlberg, I.: Classification theory, yesterday and today (1976) 0.02 
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    Abstract
    Until very recently, classification theory was held to be nothing but an expressed or unconscious knowledge framed in intuitively given reasons for the subdivision and arrangement of any universe. Today, after clarification of the elements of classification systems as well as the basis of concept relationshios it is possible to apply a number of principles in the evaluation of existing systems as well as in the construction of new ones and by this achieving relatively predictable and repeatable results

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