MOAN, André; BJØRGE, Arne. Follow-up study after four years shows reduced deterrence effect of pingers on harbour porpoises in Norwegian gillnet fishery. NAMMCO Scientific Publications, Tromsø, Norway, v. 14, 2025. DOI: 10.7557/3.8004. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/8004. Acesso em: 2 may. 2026.