Defence date: 1 March 1996
Examining board: Prof. Christof Dipper (Technische Hochschule Darmstadt) ; Prof. Peter Hertner, supervisor (Universitaet Halle-Wittenberg) ; Prof. Brigitte Mazchl-Walling (Universitaet Innsbruck) ; Prof. Raffaele Romanelli, co-supervisor (IUE, Firenze) ; Prof. Fabio Rugge (Università di Pavia)