| Date of Award | 31 Aug 1969 |
|---|---|
| Original language | Dutch |
| Supervisor | J. Vollenhoven, van (Supervisor 1), A.I.M. Keulemans (Supervisor 2), C.A.M.G. Cramers (Supervisor 2) & J.A. Rijks (Supervisor 2) |
| Date of Award | 31 Aug 1969 |
|---|---|
| Original language | Dutch |
| Supervisor | J. Vollenhoven, van (Supervisor 1), A.I.M. Keulemans (Supervisor 2), C.A.M.G. Cramers (Supervisor 2) & J.A. Rijks (Supervisor 2) |