| About/Subject | Seal |
| Publisher | Landelijke Vereniging Tot Behoud Van De Wadden Zee Harlingen* |
| Format | Paperback |
| Language | Dutch |
| Location | The Netherlands |
| Reprinted | 1988 |
| Pages / Font | 63 pages |
| ISBN | ISBN 90 7032 08 0 |
| Notes | 4th print from 1988. |
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