Yarincik K. M., Murray R. W., Lyons T. W., Peterson L. C., and Haug G. H., 2000, Oxygenation history of bottom waters in the Cariaco Basin, Venezuela, over the past 578,000 years: Results from redox-sensitive metals (Mo, V, Mn, and Fe). Paleoceanography, 15, 593-604, December 2000.