1. Alecci, S., Arcidiacono, F., Bonaccorso, B. and Rossi, G. (2001) Identificazione delle siccità regionali e sistemi di monitoraggio. In: Atti del Convegno su Siccità: Monitoraggio, mitigazione, effetti. Cagliari, Villasimius, 21–22 settembre 2000.
2. Bergaoui, M. (2002) Local and regional droughts in Siliana catchment, Tunisia (This issue).
3. DICA (2000) Regional Drought Identification Module REDIM. Department of Civil and Environmental Engineering, University of Catania, Catania.
4. ISA (2000) Third annual report of project “A DSS for mitigation of drought impacts”, Technical University of Lisbon.
5. Paulo, A.A., Pereira, L.S. and Matias, P.G. (2002) Analysis of local and regional droughts in southern Portugal using the theory of runs and the standardised precipitation index (This issue).