![Prof. Hans-Jürgen Butt](/rcnise/-/media/department/rcnise/content/people/rcnise-people/prof-hansjrgen-butt.jpg?bc=ffffff&h=430&w=280&hash=EC519DA30C6470A750FD973655759DBC)
Prof. Hans-Jürgen Butt
MPIP
MPIP
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