1. Effektive Dynamik zusammengesetzter Quantenfelder. Thesis, chapter 4, T�bingen University, 1994.
2. On quantum field theories with finitely many degrees of freedom. Unpublished (hep-th/9505063).
3. Composite Particle Dynamics in Quantum Field Theory. Vieweg: Braunschweig, 1994.
4. Clifford-algebraische Formulierung und Regulatit�t der Quantenfeldtheorie. Thesis T�bingen University, 1996.