CORREGIDOR-CASTRO, A.; HOLM, T. E.; BREGNBALLE, T. Counting breeding gulls with unmanned aerial vehicles: camera quality and flying height affects precision of a semi-automatic counting method. Ornis Fennica, [S. l.], v. 98, n. 1, p. 33–45, 2021. DOI: 10.51812/of.133979. Disponível em: https://ornisfennica.journal.fi/article/view/133979. Acesso em: 21 may. 2024.