| Publication Type: | Journal Article |
| Year of Publication: | 1955 |
| Authors: | Janssens, E. |
| Journal: | Bulletin de l' Institut Royal des Sciences Naturelles de BelgiqueBulletin de l' Institut Royal des Sciences Naturelles de Belgique |
| Volume: | 31 |
| Pagination: | 6 pp. |
| Keywords: | KAPE |