- document
-
Peeters, C. (author), Lefever, A. (author), Van der Linden, J. (author), Bruynseels, S. (author), Webers, H. (author)In opdracht van Stichting Nederland Maritiem Land uitgevoerd door Policy Research Corporation N.V.book 1999
- document
- Dings, J.M.W. (author), Klimbie, P.B. (author) report 1998
- document
- Hengst, S. (author), Dirkse, C. (author), Stoop, J. (author), van Poortvliet, A. (author) report 1995
- document
- Hengst, S. (author), Stoop, J. (author), Groenveld, R. (author) other 1995