Martinez, Ignacio; Keigwin, Lloyd; Barrows, Timothy T.; Yokoyama, Yusuke; Southon, John (2003): La Nina-like conditions in the eastern Equatorial Pacific and a stronger Choco jet in the Northern Andes during the last glaciation. American Geophysical Union, Washington, DC, United States, Paleoceanography, 18 (2), georefid:2006-012275