- document
- Kuiper, C. (author), Doorn, N. (author) report 2005
- document
- Luth, H.R. (author), Waal, J.P. de (author) report 1994
- document
- Meer, J.W. van der (author), Waal, J.P. de (author) report 1993
- document
- Meer, J.W. van der (author) report 1992
- document
- Waal, J.P. de (author), Veldman, J.J. (author) report 1991
- document
- Meer, J.W. van der (author) report 1990
- document
- Klein Breteler, M. (author) report 1989
- document
- Meer, J.W. van der (author) report 1988
- document
- Stans, J.C. (author) report 1982
- document
- Stans, J.C. (author) report 1979
- document
- Stans, J.C. (author) report 1977