Freeman Bibliographical Database
| Identifier: | A1072 |
| Date: | 1911 |
| Concise reference: | Darwin, G. H. 1911. Periodic Orbits and Miscellaneous Papers, vol. 4. Cambridge: Cambridge University Press. |
| Identifier: | A1072 |
| Date: | 1911 |
| Concise reference: | Darwin, G. H. 1911. Periodic Orbits and Miscellaneous Papers, vol. 4. Cambridge: Cambridge University Press. |