Baumann, Stefan [P:(DE-Juel1)129587] ; Zotov, Nikolay [P:(DE-Juel1)141785] ; Meulenberg, Wilhelm Albert [P:(DE-Juel1)129637] ; Vassen, Robert [P:(DE-Juel1)129670] ; Buchkremer, Hans Peter [P:(DE-Juel1)129594]