- document
- Tutuarima, W.H. (author) master thesis 1993
- document
- de Vreeze, H.T. (author) master thesis 1996
- document
- Hengst, S. (author), van der Hoeven, H.B. (author), Tutuarima, W.H. (author) master thesis 1990
- document
- de Vreeze, H.T. (author) master thesis 1994