G. Puc-Carrasco, L. D. Olivera-Gómez, S. Arriaga-Hernández, and D. Jiménez-Domínguez, “Relative abundance of Antillean manatees in the Pantanos de Centla Biosphere Reserve in the coastal plain of Tabasco, Mexico”, Cienc. Mar., vol. 42, no. 4, pp. 261–270, Dec. 2016.