| Publication Type: | Journal Article |
| Year of Publication: | 1976 |
| Authors: | J. C. den Hartog |
| Journal: | Travaux de la Station Biologique de Roscoff (N.S.) |
| Volume: | 23 |
| Pagination: | 3-4 |
| Type of Article: | in English |
| Publication Type: | Journal Article |
| Year of Publication: | 1976 |
| Authors: | J. C. den Hartog |
| Journal: | Travaux de la Station Biologique de Roscoff (N.S.) |
| Volume: | 23 |
| Pagination: | 3-4 |
| Type of Article: | in English |