Borchers, David L, Daniel G Pike, Thorvaldur Gunnlaugsson, and Gísli A Víkingsson. “Minke whale abundance estimation from the NASS 1987 and 2001 aerial cue–counting surveys taking appropriate account of distance estimation errors”. NAMMCO Scientific Publications 7 (September 1, 2009): 95–110. Accessed December 19, 2024. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2708.