Brand, Ulrich (university Of Vienna, Wissen, Markus (berlin School Of Economics And Law (bsel) (2) Haussler-combe, Ulrich (technical University Dortmund; Karlsruhe Institute Of Technology (2) Luttge, Ulrich (universitat Darmstadt, Kluge, Manfred (universitat Darmstadt (1) Luttge, Ulrich (tu Darmstadt), Kluge, Manfred (tu Darmstadt), Thiel, Gerhard (tu Darmstadt) (1) Kuck, Ulrich, Wolff, Gabriele (1)