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155by Østbye, Eivind, Breiehagen, Torgrim, Mysterud, Ivar, Østbye, KjartanGet access
Published in Ornis Norvegica (2009)
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157by Østbye, Eivind, Hogstad, Olav, Østbye, Kjartan, Lien, Leif, Framstad, Erik, Breiehagen, TorgrimGet access
Published in Ornis Norvegica (2007)
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