ORIGINAL REFERENCE: Spero, H. J., K. M. Mielke, E. M. Kalve,
D. W. Lea, and D. K. Pak, 2003, Multispecies approach to
reconstructing eastern equatorial Pacific thermocline hydrography
during the past 360 kyr, Paleoceanography, 18(1), 1022,
doi:10.1029/2002PA000814.
Spero, H. J. and D.W. Lea, 2002, The cause of carbon isotope minimum
events on glacial terminations. Science 296:522-525, 19 April 2002.
Lea, D.W., D.K. Pak, and H.J. Spero, 2000, Climate Impact of Late
Quaternary Equatorial Pacific Sea Surface Temperature Variations,
Science 289:1719-1724, 8 September 2000.