| Publication Type: | Journal Article |
| Year of Publication: | 1881 |
| Journal: | Nature |
| Volume: | 23 |
| Issue: | 597 |
| Pagination: | 544 |
| Date Published: | 1881/// |
| URL: | http://www.scopus.com/inward/record.url?eid=2-s2.0-51149135543&partnerID=40&md5=e2e9d4f9eab5b0515fcbc462512b8aed |