- document
- Vledder, G.P. van (author), Zijlema, M. (author), Rogers, W.E. (author), Groeneweg, J. (author) report 2007
- document
- Zijlema, M. (author), Wesseling, P. (author) report 1995
- document
- Zijlema, M. (author), Wesseling, P. (author) report 1995
- document
- Zijlema, M. (author), Segal, A. (author), Wesseling, P. (author) report 1994