Lopes NPavan, Reis SStutz, Mamede N, et al. Whistle variability of Guiana dolphins in South America: Latitudinal variation or acoustic adaptation?. Marine Mammal Science. 2018. Available at: http://doi.wiley.com/10.1111/mms.12572.

Moron JR, Alves LCláudio P, de Assis CViviane, Garcia FC, Andriolo A. Clymene dolphin ( Stenella clymene) whistles in the Southwest Atlantic Ocean. The Journal of the Acoustical Society of America. 2018;144(3):1952 - 1952. Available at: http://asa.scitation.org/doi/10.1121/1.5068534.