Lundström, Karl, Olle Hjerne, Karin Alexandersson, and Olle Karlsson. “Estimation of Grey Seal (<i>Halichoerus grypus</I&gt;) Diet Composition in the Baltic Sea”. NAMMCO Scientific Publications 60 (January 1, 2007): 177-196. Accessed December 10, 2019. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2733.