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  • × author_ss:"Ratzek, W."
  1. Kübler, S.; Ratzek, W.; Wursthorn, L.; Ziltz, N.: Content is King : Projekt B.I.T.Wiki geht online! (2007) 0.01
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  2. Ratzek, W.: Problemlösung. Verifiziertes Faktum oder Illusion? (2013) 0.01
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    Date
    22. 3.2013 14:05:39
    Source
    Information - Wissenschaft und Praxis. 64(2013) H.1, S.9-22