Freeman Bibliographical Database
| Identifier: | F2911 |
| Date: | 2011 |
| Concise reference: | Darwin, C. R. 2011. Geological observations on South America. Cambridge: Cambridge University Press. |
| Identifier: | F2911 |
| Date: | 2011 |
| Concise reference: | Darwin, C. R. 2011. Geological observations on South America. Cambridge: Cambridge University Press. |