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  • × year_i:[1960 TO 1970}
  1. Blum, R.: ¬Die Deutsche Bibliographie : Rückblick und Ausblick (1966) 9.91 
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    Blum, R.
  2. Blum, R.: ¬Die maschinelle Herstellung der Deutschen Bibliographie in bibliothekarischer Sicht (1966) 9.91 
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