| Publication Type: | Journal Article |
| Year of Publication: | 1943 |
| Authors: | F. M. Hull |
| Journal: | Journal of the Washington Academy of Sciences |
| Volume: | 33 |
| Pagination: | 214-216 |
| Publication Type: | Journal Article |
| Year of Publication: | 1943 |
| Authors: | F. M. Hull |
| Journal: | Journal of the Washington Academy of Sciences |
| Volume: | 33 |
| Pagination: | 214-216 |