Borchers, David L, Daniel G Pike, Thorvaldur Gunnlaugsson, and Gísli A Víkingsson. 2009. “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):95-110. https://doi.org/10.7557/3.2708.