Sánchez Robledo, E., L. E. Oviedo Correa, D. Herra-Miranda, J. D. Pacheco-Polanco, S. Goodman, and H. Guzman. “The Abundance of False Killer Whale, Pseudorca Crassidens (Artiodactyla: Delphinidae) in Coastal Waters of Golfo Dulce and Osa Peninsula, Costa Rica”. Revista De Biología Tropical, vol. 68, no. 2, June 2020, pp. 580–589, doi:10.15517/rbt.v68i2.37196.