Gajardo, N. et al. 2013. Characterization of El Niño, La Niña, and normal conditions through planktonic foraminifera (2006–2007) in the southeastern Pacific. Ciencias Marinas. 39, 3 (Sep. 2013), 253–264. DOI:https://doi.org/10.7773/cm.v39i3.2177.