1. Budyko, M. I.: 1980, ?Klimat v Proslom Budustem (Climate in the Past and in the Future)?, Mysi Publishers, Moscow, (in Russian).
2. Bultot, F. and Dupriez, G. L.: 1985, ?Daily Effective Evapotranspiration from a River Basin?,Casebook on Operational Assessment of Areal Evaporation, Operational Hydrology Rpt. No. 22, WMO, Geneva, 80?103.
3. Calder, I. R., Harding, R. J., and Rosier, P. T. W.: 1983, ?An Objective Assessment of Soil Moisture Deficit Models?,J. Hydrol. 60, 329?355.
4. Campbell, R., Crowley, P., and Demura, P.: 1983, ?Impact of Drought on National Income and Employment?,Quart. Rev. Rural Econ. 5, 254?257.
5. Climate Impact Group: 1992, ?Climate Change Scenarios for the Australian Region?, Available from CSIRO Division of Atmospheric Research, Aspendale, Australia.