Pike, Daniel G., Thorvaldur Gunnlaugsson, Jóhann Sigurjónsson, and Gísli Víkingsson. 2020. “Distribution and Abundance of Cetaceans in Icelandic Waters over 30 Years of Aerial Surveys”. NAMMCO Scientific Publications 11 (May). https://doi.org/10.7557/3.4805.