- document
- Dongeren, A.R. van (author), Groeneweg, J. (author) report 2006
- document
- Schijndel, S.A.H. van. (author), Smale, A. (author), Vuren, S. van. (author), Dekker, J. (author), Zijlstra, R. (author) report 2005
- document
- Meer, J.W. van der (author) report 1992
- document
- Moder, G.M. (author) report 1982
- document
- Lindenberg, J. (author) report 1979
- document
- Verhagen, J.H.G. (author) report 1972
- document
- Vries, M. de (author) report 1968