Martinsen, Dag [P:(DE-Juel1)130472] ; Heinrichs, Heidi [P:(DE-Juel1)145221] ; Markewitz, Peter [P:(DE-Juel1)130471] ; Kuckshinrichs, Wilhelm [P:(DE-Juel1)130467] ; Hake, Jürgen-Fr. [P:(DE-Juel1)130461] ; Kuckshinrichs, Wilhelm [P:(DE-Juel1)130467]