- document
- Koutamanis, A. (author), Den Hartog, P. (author) conference paper 2001
- document
- Den Hartog, J.P. (author), Koutamanis, A. (author) conference paper 2000
- document
- Den Hartog, J.P. (author), Koutamanis, A. (author), Luscuere, P.G. (author) conference paper 2000