WITTING, L.; PIKE, D. G. Distance estimation experiment for aerial minke whale surveys. NAMMCO Scientific Publications, [S. l.], v. 7, p. 111–116, 2009. DOI: 10.7557/3.2709. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2709. Acesso em: 17 may. 2022.