Freeman Bibliographical Database
| Identifier: | A6992 |
| Date: | 1873 |
| Concise reference: | Cooper, J. G. 1873. On the law of variation in the banded California land shells. Proceedings of the California Academy of Sciences 5: 121-125. |
| Identifier: | A6992 |
| Date: | 1873 |
| Concise reference: | Cooper, J. G. 1873. On the law of variation in the banded California land shells. Proceedings of the California Academy of Sciences 5: 121-125. |