| Citation | Crawford, R.J.M., L.J. Shannon, P.A. Whittington and G. Murison 2000 Factors influencing growth of the African Penguin colony at Boulders, South Africa, 1985-1999. South African Journal of Marine Science 22:111-119. |
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| Ref. No. | 3949 |
| Language | English |
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