Harris, Michael P.; Wanless, Sarah; Ballesteros, Manuel; Moe, Børge; Daunt, Francis; Erikstad, Kjell E. Geolocators reveal an unsuspected moulting area for Isle of May Common Guillemots Uria aalge. Bird Study 2015 ;Volum 62.(2) s. 267-270 NTNU NINA
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