- document
- Tanczos, I.C. (author) report 2003
- document
- Mosselman, E. (author), Stolker, C. (author) report 2000
- document
- Zitman, T.J. (author) report 1993
- document
- Savornin Lohman, A.A.M. de (author), Postma, L. (author) report 1993
- document
- Valk, C.F. de (author) report 1991
- document
- Bijlsma, A.C. (author), Bruinsma, R. (author), Vatvani, D.K. (author) report 1989
- document
- Hartsuiker, G. (author) report 1984
- document
- Dronkers, J. (author) report 1978