| Publication Type: | Journal Article |
| Year of Publication: | 1904 |
| Authors: | T. Wayland Vaughan |
| Journal: | Science |
| Volume: | 20 |
| Pagination: | 646–647 |
| URL: | http://books.google.com/books?id=1JMCAAAAYAAJ |
| Publication Type: | Journal Article |
| Year of Publication: | 1904 |
| Authors: | T. Wayland Vaughan |
| Journal: | Science |
| Volume: | 20 |
| Pagination: | 646–647 |
| URL: | http://books.google.com/books?id=1JMCAAAAYAAJ |