Moore, T. C., Jr.; Backman, Jan; Raffi, Isabella; Nigrini, Catherine; Sanfilippo, Annika; Palike, Heiko; Lyle, Mitchell (2004): Paleogene tropical Pacific; clues to circulation, productivity, and plate motion. American Geophysical Union, Washington, DC, United States, Paleoceanography, 19 (3), georefid:2009-028334