- document
- Prinsen, G.F (author), Hummel, S (author), Praagman, N (author) report 2007
- document
- Maaten, R. (author) report 2000
- document
- Roelfzema, A. (author) report 1992
- document
- Karelse, M. (author), Gils, J.A.G. van (author) report 1991
- document
- Menke, M.A. (author) report 1990
- document
- Menke, M.A. (author), Belois, C.H. van (author) report 1990
- document
- Kerssens, P.J.M.A. (author) report 1985
- document
- Stevers, R.A.M. (author) report 1983