D. A. Hodell, Curtis, J. H., and Brenner, M.,
“Possible Role of Climate in the Collapse of Classic Maya Civilization”,
Nature, vol. 375, no. 6530, pp. 391-394, 1995.
D. A. Hodell, Brenner, M., Kanfoush, S. L., Curtis, J. H., Stoner, J. S., Song, X. L., Yuan, W., and Whitmore, T. J.,
“Paleoclimate of Southwestern China for the past 50,000 yr inferred from lake sediment records”,
Quaternary Research, vol. 52, no. 3, pp. 369-380, 1999.