| Referens | Bishop, K.D. and J.M. Diamond 1987 The Black-headed Gull Larus ridibundus in Irian Jaya. Kukila, Bulletin of the Indonesian Ornithological Society 3(1-2):45-46. |
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| Ref. No. | 7297 |
| Språk | English |
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| Sök denna referens i | Google Scholar | Scirus | Species used from this reference |
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