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ISSN:0167-5427|36|1|67-78

European Association for Aquatic Mammals‎(2010)‎

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By Saulitis Eva L   Matkin Craig O   Fay Francis H   in Canadian Journal of Zoology

ISSN:1480-3283|83|8|1015-1029

NRC Research Press‎(2005)‎

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