- document
- Van Rooijen, H. (author), Wassenberg, F. (author), Gunsing, R. (author), Meijering, G. (author) book 1999
- document
- Wassenberg, F. (author), Kalle, E. (author) book 1997
- document
- Van Rosmalen, B. (author), Wassenberg, F. (author) book 1996
- document
- Priemus, H. (author), Wassenberg, F. (author), Van Rosmalen, B. (author) book 1995