Leaper R, Burt L, Gillespie D, Macleod K. Comparisons of measured and estimated distances and angles from sightings surveys. JCRM [Internet]. 2023 Feb. 14 [cited 2025 Sep. 28];11(3):229-37. Available from: https://journal-iwc-live.netxtra.dev/index.php/jcrm/article/view/602