- document
- Van Rosmalen, B. (author), Wassenberg, F. (author) book 1996
- document
- Priemus, H. (author), Van Rosmalen, B. (author), Wassenberg, F. (author) book 1996
- document
- Priemus, H. (author), De Jong, M. (author), Wassenberg, F.A.G. (author) book 1994