Brenes-Rodríguez, C. L.; Márquez, A.; Quirós, W.; Benavides-Morera, R. Hydrographic and Bathymetric Features of the Ostional National Wildlife Refuge and Adjacent Areas, Guanacaste, Costa Rica. Rev. Cien. Mar. Cost. 2012, 4, 145-156. https://doi.org/10.15359/revmar.4.10.