- document
- Nederlands Maritiem Instituut (author) report 1975
- document
- Glerum, E. (author) other 1991
- document
- Maliepaard, H.R. (author) master thesis 1991
- document
- Kortenhorst, R.W.F. (author), Malotaux, P.Ch.A. (author), Hengst, S. (author) master thesis 1984
- document
- Broersen, P.M. (author), Hengst, S. (author), Saurwalt, K.J. (author) master thesis 1985