- document
- Tuinman, I.L. (author), Van Drunen, M.A. (author), Marijnissen, J.C.M. (author), Scarlett, B. (author), Schoonman, J. (author) journal article 1997
- document
- Tuinman, I.L. (author), Veenstra, J. (author), Marijnissen, J.C.M. (author), Scarlett, B. (author), Schoonman, J. (author) journal article 1996