HEIDE-JØRGENSEN, Mads Peter; LAGE, Jochim. On the availability bias in narwhal abundance estimates. NAMMCO Scientific Publications, Tromsø, Norway, v. 12, 2022. DOI: 10.7557/3.6518. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/6518. Acesso em: 10 jun. 2026.