Víkingsson, Gísli A, Droplaug Ólafsdóttir, and Jóhann Sigurjónsson. 2003. “Geographical, and Seasonal Variation in the Diet of Harbour Porpoises (<i>Phocoena phocoena</I>) in Icelandic Coastal Waters”. NAMMCO Scientific Publications 5 (July):243-70. https://doi.org/10.7557/3.2829.