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  • × author_ss:"Keil, U."
  1. Keil, U.: BIBLIODATA: die deutsche Bibliographie als neue Datenbank auf STN International (1988) 10.31 
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  2. Keil, U.: ¬Die Deutsche Nationalbibliographie als Online-Datenbank auf STN International: BIBLIODATA (1992) 10.31 
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