| Citation | Orton, J.H. 1923 On the significance of "rings"on the shells of Cardium and other molluscs. Nature 112:10-10. |
| DOI / ISBN | http://dx.doi.org/10.1038/112010b0 |
| Paper URL | |
| Ref. No. | 113955 |
| Language | English |
| Usage | not seen |
| Remarks | |
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