- document
- TU Delft (author) public lecture 1998
- document
- TU Delft (author) report 1998
- document
- TU Delft (author) report 1998
- document
- TU Delft (author) report 1998
- document
- Hengst, S. (author) public lecture 1994
- document
- VNSI (author) other 1988
- document
- Hengst, S. (author), Reyes, R.A. (author), Saurwalt, K.J. (author) master thesis 1988
- document
- Saurwalt, K.J. (author) public lecture 1987
- document
- Hengst, S. (author), Stijnen, P. (author) other 1986
- document
- public lecture 1970