Petschauer, Stefan [P:(DE-HGF)0] ; Haidenbauer, Johann [P:(DE-Juel1)131179] ; Kaiser, Norbert [P:(DE-HGF)0] ; Meißner, Ulf-G. [P:(DE-Juel1)131252] ; Weise, Wolfram [P:(DE-HGF)0]