| Citation | Ryan, P.G., G. Avery, B. Rose, C.J.B. Ross, J.C. Sinclair and C.J. Vernon 1989 The Southern Ocean seabird irruption to South African waters. Seabirds Cormorant 17(1-2):41-55. |
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| Ref. No. | 4188 |
| Language | English |
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