Abstract
| Date of Award | 30 Jun 1990 |
|---|---|
| Original language | Dutch |
| Supervisor | H.A.J. Senhorst (Supervisor 1) & H.C.W. Beijerinck (Supervisor 2) |
| Date of Award | 30 Jun 1990 |
|---|---|
| Original language | Dutch |
| Supervisor | H.A.J. Senhorst (Supervisor 1) & H.C.W. Beijerinck (Supervisor 2) |