1. The Solution of Non-Linear Equations and of Differential Equations with Two-Point Boundary Conditions
2. Discrete approximations related to nonlinear theories of solids
3. ‘The incremental solution of some basic problems of elastic stability’, Report NLR TR 74005 U, National Aerospace Laboratory NLR, The Netherlands, 1974.
4. An incremental approach to the solution of snapping and buckling problems
5. ‘Strategies for tracing the nonlinear response near limit points’, in et al. (eds.), Europe-U.S. Workshop on Nonlinear Finite Element Analysis in Structural Mechanics, Ruhr Universität Bochum, Springer-Verlag, Berlin, Germany 1980, pp. 63-89.