| Citation | Ahrens, R., 1966. Age determination of the seventy four. S. Afr. Assoc. Mar. Biol. Res. Bull. (6):44-47. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
| Address | |
| Ref. No. | 1262 |
| Language | English |
| Usage | used in part |
| Comments | |
| Remarks | |
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