1. Hess, W. R. in The Arboviruses: Epidemiology and Ecology (ed. Monath, T.P.) 1-18 (CRC Press, Boca Raton, Florida, 1988).
2. Nicholson, S. E. & Kim, J. Int. J. Climatol. 17, 117–135 (1997).
3. Nicholls, N. Lancet 342, 1284–1285 (1993).
4. Bouma, M. J. & van der Kaay, H. J. Trop. Med. Int. Health 1, 86–96 (1996).
5. Bouma, M. J. et al. Trop. Med. Int. Health 2, 1122–1127 (1997).