Abstract
| Date of Award | 31 Aug 1981 |
|---|---|
| Original language | Dutch |
| Supervisor | G.A. Bekaert (Supervisor 1), D.C. Apon (Supervisor 2), A.J. Kerssemakers (Supervisor 2) & H. Tupker (External coach) |
| Date of Award | 31 Aug 1981 |
|---|---|
| Original language | Dutch |
| Supervisor | G.A. Bekaert (Supervisor 1), D.C. Apon (Supervisor 2), A.J. Kerssemakers (Supervisor 2) & H. Tupker (External coach) |