1. The Influence of Curvature on the Buckling Characteristics of Structures
2. ‘On the Stability of Elastic Equilibrium’, Dissertation, Delft University, H. J. Paris, Amsterdam; also NASA TT-F10, 833 (1967); also Air Force Flight Dynamics Laboratory, AFFDL-TR-70-25, (1970), 1945 (in Dutch).
3. ‘General theory of mode interaction in stiffened plate and shell structures’, Report WTHD-91, Delft University of Technology, Delft, The Netherlands, 1976.
4. Mode interaction in axially stiffened cylindrical shells
5. Stability of plates of elastic-plastic material, Ph.D. Thesis, Department of Structural Engineering, Technical University of Denmark, 1984. R 187.