- document
- Blaas, M. (author), Tatman, S. (author), Kessel, T. van. (author), Twigt, D.J. (author) report 2006
- document
- Blaas, M. (author), Boogaard, H.F.P. van den. (author) report 2006
- document
- Kessel, T. van. (author), Goede, E.D. de (author), Boogaard, H.F.P. van den. (author) report 2006
- document
- Schaafsma, A.S. (author) report 1991
- document
- Wenneker, J.C.A. (author), Schaafsma, A.S. (author) report 1990
- document
- Gervink, B.J.G.M. (author), Dorenbos, G.J. (author), Berkhoudt, N. (author) report 1989
- document
- Schaafsma, A.S. (author), Bronsveld, J. (author), Pot, J. van der (author), Veger, D. (author) report 1988