| Publication Type: | Journal Article |
| Year of Publication: | 1879 |
| Journal: | Nature |
| Volume: | 19 |
| Issue: | 484 |
| Pagination: | 319 |
| Date Published: | 1879/// |
| URL: | http://www.scopus.com/inward/record.url?eid=2-s2.0-51149130504&partnerID=40&md5=d4d607217b0bdaa9201aebf9cf5921cb |