- document
- Overkamp, K.M. (author), Bakker, B.M. (author), Kotter, P. (author), Luttik, M.A. (author), Van Dijken, J.P. (author), Pronk, J.T. (author) journal article 2002
- document
- Pronk, J.T. (author), Bakker, A.W. (author), Van Dam, H.E. (author), Straathof, A.J.J. (author), Scheffers, W.A. (author), Van Dijken, J.P. (author) journal article 1988