- document
- Chen, C.H. (author), Kelder, E.M. (author), Van der Put, P.J.J.M. (author), Schoonman, J. (author) conference paper 1996
- document
- Jak, M.J.G. (author), Kelder, E.M. (author), Van Zomeren, R.A. (author), Schoonman, J. (author) conference paper 1996
- document
- Vischjager, D.J. (author), Schram, J. (author), Mackor, A. (author), Schoonman, J. (author) conference paper 1989