Gunnlaugsson, Thorvaldur, Gisli A Víkingsson, and Daniel G Pike. “Combined line-transect and cue-count estimate of sperm whale abundance in the North Atlantic, from Icelandic NASS-2001 shipboard survey”. NAMMCO Scientific Publications 7 (September 1, 2009): 73–80. Accessed December 19, 2024. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2706.