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2. Cancelliere, A. and Rossi, G. (2002) Droughts in Sicily and comparison of identified droughts in Mediterranean regions (This issue).
3. Cancelliere, A., Ancarani, A., Giuliano, G. and Rossi, G. (2002a) A neural networks approach for deriving irrigation reservoir operating rules. Water Resour. Manage. 16:71–88.
4. Cancelliere, A., Giuliano, G., Ancarani, A. and Rossi, G. (2002b) Derivation of operation rules for an irrigation water supply system by multiple linear regressions and neural networks. (This issue).
5. Easterling, W.E. (1988) Coping with drought hazard: recent progress and research priorities. In: F. Siccardi and R. L. Bras (Eds.) Natural Disasters in European Mediterranean Countries, NSF and NRC, Perugia (Italy), pp. 231–270.