| Citation | Groenewald, A.A. van J., 1957. The results of a survey of the fish population of the Vaal River during the period April-December 1956. Unpubl. report, Transvaal Dept. of Nature Conservation, Pretoria. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
| Address | |
| Ref. No. | 12521 |
| Language | English |
| Usage | not seen |
| Comments | |
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