Bjørge, Arne. “The harbour porpoise (<i>Phocoena phocoena</i>) in the North Atlantic: Variability in habitat use, trophic ecology and contaminant exposure”. NAMMCO Scientific Publications 5 (July 1, 2003): 223–228. Accessed April 26, 2024. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2749.