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  • × author_ss:"Clason, W.E."
  • × language_ss:"d"
  • × year_i:[1950 TO 1960}
  1. Clason, W.E.: ¬Die Klassifizierung der Literatur nach dem System der gleichwertigen Grundbegriffe (UNITERM-System) : ein Erfahrungsbericht aus der Praxis (1957) 0.00 
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