FIEBERG, J. R. Estimating Population Abundance Using Sightability Models: R SightabilityModel Package. Journal of Statistical Software, [S. l.], v. 51, n. 9, p. 1–20, 2012. DOI: 10.18637/jss.v051.i09. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v051i09. Acesso em: 21 nov. 2024.