- document
- Jongeling, T.H.G. (author), Jagers, H.R.A. (author), Blom, A. (author) report 2003
- document
- Boogaard, A. (author) report 1986
- document
- Taat, J.J. (author) report 1983
- document
- Hartsuiker, G. (author) report 1983
- document
- Taat, J.J. (author) report 1983
- document
- Taat, J.J. (author) report 1982
- document
- Konter, J.L.M. (author) report 1982
- document
- Bakker, B. (author) report 1980