History of upwelling in the Tropical Eastern Pacific and the paleogeography of the Isthmus of PanamaDOI: info:10.1016/j.palaeo.2012.06.007v. 348/349Elsevier59–66
O'Dea, Aaron, Hoyos, Natalia, Rodríguez, Félix, De Gracia, Brigida, and De Gracia, Carlos. 2012. "History of upwelling in the Tropical Eastern Pacific and the paleogeography of the Isthmus of Panama." Palaeogeography palaeoclimatology palaeoecology, 348/349 59–66. https://doi.org/10.1016/j.palaeo.2012.06.007.