- document
- Groenenboom, J. (author), Duijndam, A.J.W. (author), Fokkema, J.T. (author) conference paper 1995
- document
- Cruts, H.M.A. (author), Groenenboom, J. (author), Duijndam, A.J.W. (author), Fokkema, J.T. (author) conference paper 1995
- document
- Ziolkowski, A. (author), Fokkema, J.T. (author) journal article 1986