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Ardea Official journal of the Netherlands Ornithologists' Union |
| van den Berg A.B., Bosman C.A.W. & Rozendaal F.G. (1982) Notes on sea-birds 67. Mass movement of Bridled Terns Sterna anaethetus and Wilson's Petrels Oceanites oeceanicus off Columbo, Sri Lanka. ARDEA 70 (1): 81-82 |
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