- document
- Wertheim, A.H (author), Ooms, J. (author), de Groene, G.J. (author) report 1995
- document
- Wertheim, A.H. (author) report 1994
- document
- Wertheim, A.H. (author) report 1993
- document
- Wertheim, A.H. (author), Ooms, J. (author), de Regt, G.P. (author), Wientjes, C.J.E. (author) report 1992