- document
- Koele, J.W. (author) other 1989
- document
- Stavenuiter, J. (author) master thesis 1988
- document
- Hengst, S. (author), Saurwalt, K.J. (author), Stavenuiter, J. (author) master thesis 1988
- document
- Hengst, S. (author), Koele, J.W. (author), Stijnen, P. (author) master thesis 1987
- document
- Hengst S., N. Pinotsis (author) master thesis 1984