Freeman Bibliographical Database
| Identifier: | A1063 |
| Date: | 1878 |
| Concise reference: | Darwin, G. H. 1878. On Professor Haughton's estimate of geological time. Proceedings of the Royal Society of London, vol. 27: 179-183. |
| Identifier: | A1063 |
| Date: | 1878 |
| Concise reference: | Darwin, G. H. 1878. On Professor Haughton's estimate of geological time. Proceedings of the Royal Society of London, vol. 27: 179-183. |