| Publication Type: | Journal Article |
| Year of Publication: | 1934 |
| Authors: | E. O. Engel, Cuthbertson A. |
| Journal: | Proceedings and Transactions of the Rhodesia Scientific Association |
| Volume: | 35 |
| Start Page: | 35 |
| Pagination: | 35–47 |
| Publication Type: | Journal Article |
| Year of Publication: | 1934 |
| Authors: | E. O. Engel, Cuthbertson A. |
| Journal: | Proceedings and Transactions of the Rhodesia Scientific Association |
| Volume: | 35 |
| Start Page: | 35 |
| Pagination: | 35–47 |