- document
- Hengst, S. (author) lecture notes 1999
- document
- Hengst, S. (author) lecture notes 1999
- document
- Smits, P.G. (author) lecture notes 1995
- document
- van der Kroft, P.J. (author) lecture notes 1982
- document
- Holtrop, R.L. (author) lecture notes 1974