1. AchutaRao, K. and Sperber, K. R.: 2000, ‘El Niño Southern Oscillation in coupled GCMs’, PCMDI Report No. 61, PCDMI, Lawrence Livermore Laboratory, Livermore 95440, USA.
2. Acuna-Soto, R., Romero, L. C., and Maguire, J. H.: 2002, ‘Large epidemics of hemorrhagic fevers in Mexico 1545–1818’, Am. J. Trop. Med. Hyg. 62, 733–739.
3. Aleman, P. A. M. and Garcia, E.: 1974, ‘The Climate of Mexico’, in Bryson, R. A. and Hare, F. K. (eds.) World Survey of Climatology, vol. 11, Elsevier, Amsterdam, pp. 345–404.
4. Coe, M.: 1999, Breaking the Maya Code, Thames and Hudson, New York.
5. Covey, C., AchutaRao, K., Lambert, S. J., and Taylor, K. E.: 2000, ‘Intercomparison of present and future climates simulated by coupled ocean-atmosphere GCMs’, PCDMI Report No. 66, PCDMI, Lawrence Livermore Laboratory, Livermore 95440, USA.