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  • × author_ss:"Mahnkopf, P."
  1. Mahnkopf, P.: Kein Mangel an Informationen : Bildschirmtext (1993) 7.75 
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  2. Mahnkopf, P.: Endkundensysteme in T-Online, Datex-J, Btx (1997) 7.75 
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