| Publication Type: | Journal Article |
| Year of Publication: | 1934 |
| Authors: | W. Héllen |
| Journal: | Memoranda Soc. Fauna Flora Fenn. |
| Volume: | 9 |
| Pagination: | 184-191 |
| Publication Type: | Journal Article |
| Year of Publication: | 1934 |
| Authors: | W. Héllen |
| Journal: | Memoranda Soc. Fauna Flora Fenn. |
| Volume: | 9 |
| Pagination: | 184-191 |