Keuter, Thomas [P:(DE-Juel1)136662] ; Menzler, Norbert H. [P:(DE-Juel1)129636] ; Mauer, Georg [P:(DE-Juel1)129633] ; Vondahlen, Frank [P:(DE-Juel1)129671] ; Vassen, Robert [P:(DE-Juel1)129670] ; Buchkremer, Hans Peter [P:(DE-Juel1)129594]