1. ‘The dynamic analysis of flexible mechanisms using finite-element methods’, Diplomarbeit, Institut A für Mechanik, Universität Stuttgart, Aug. 1987.
2. and , Numerical Solution of Initial-Value Problems in Differential-Algebraic Equations, North-Holland, Amsterdam, 1989.
3. ‘An integrated approach to mechanism analysis’, Ph.D. Thesis, Faculté des Sciences Appliquées, Université de Liège, 1989.
4. A beam finite element non-linear theory with finite rotations
5. and , Direct Methods for Sparse Matrices, Clarendon Press, Oxford, (1986).