| Publication Type: | Journal Article |
| Year of Publication: | 1966 |
| Authors: | G. Fagel |
| Journal: | Bulletin de l'Institut Royal des Sciences Naturelles de Belgique |
| Volume: | 42 |
| Pagination: | 1-8 |
| Publication Type: | Journal Article |
| Year of Publication: | 1966 |
| Authors: | G. Fagel |
| Journal: | Bulletin de l'Institut Royal des Sciences Naturelles de Belgique |
| Volume: | 42 |
| Pagination: | 1-8 |