- document
- Van den Bosh, P.P.J. (author) doctoral thesis 1983
- document
- Den Hertog, D. (author) doctoral thesis 1992
- document
- Jansen, B. (author) doctoral thesis 1996
- document
- Lobbrecht, A.H. (author) doctoral thesis 1997
- document
- de Klerk, E. (author) doctoral thesis 1997
- document
- Quist, A.J. (author) doctoral thesis 2000