- document
- Kester, J.A.T.M. van (author), Stelling, G.S. (author), Bijlsma, A.C. (author), Kaaij, T. van der (author) report 2000
- document
- Kester, J.A.T.M. van (author), Stelling, G.S. (author) report 1996
- document
- Kester, J.A.T.M. van (author), Uittenbogaard, R.E. (author), Stelling, G.S. (author) report 1994
- document
- Goede, E.D. de (author), Stelling, G.S. (author) report 1993
- document
- Stelling, G.S. (author), Gerritsen, H. (author), Mooiman, J. (author) report 1992