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by Battis, Ulrich; Gusy, Christoph
by Ulrich Battis; Andrea Edenharter
by Battis, Ulrich
by Battis, Ulrich (CON); Papier, Hans-Jurgen (CON); Knopp, Lothar; et al.
by Battis, Ulrich; Kersten, Jens; Mitschang, Stephan