| Publication Type: | Journal Article |
| Year of Publication: | 1911 |
| Authors: | C. Gravier |
| Journal: | Acad. Sci. |
| Volume: | Paris, 152 |
| Pagination: | 1484-1420 |
| Date Published: | 1911 |
| Publication Type: | Journal Article |
| Year of Publication: | 1911 |
| Authors: | C. Gravier |
| Journal: | Acad. Sci. |
| Volume: | Paris, 152 |
| Pagination: | 1484-1420 |
| Date Published: | 1911 |