Freeman Bibliographical Database
| Identifier: | F3631 |
| Date: | 1936 |
| Concise reference: | Darwin, C. R. 1936. On the distribution of erratic boulders and on the contemporaneous unstratified deposits of South America. Zoological & geological works. Collected works vol. 2. pp. 567-582. Moscow, Academy of Sciences, U.S.S.R. |
| Detailed reference: | (Angus Carroll, 2023) |