| Date of Award | 30 Jun 1972 |
|---|---|
| Original language | Dutch |
| Supervisor | A.J. Ekas (Supervisor 1), J.D. Pieterse (Supervisor 2) & H.P. Trienekens (Supervisor 2) |
| Date of Award | 30 Jun 1972 |
|---|---|
| Original language | Dutch |
| Supervisor | A.J. Ekas (Supervisor 1), J.D. Pieterse (Supervisor 2) & H.P. Trienekens (Supervisor 2) |