- document
- Roelvink, J.A. (author), Aarninkhof, S.G.J. (author), Wijnberg, K.M. (author), Reniers, A.J.H.M. (author) report 2003
- document
- Nipius, L.J. (author) report 2002
- document
- Kessel, T. van (author), Aarninkhof, S.G.J. (author) report 2001
- document
- Aarninkhof, S.G.J. (author) report 2000