1. Abramowitz M, Stegun IA (1972) Handbook of mathematical functions with formulas, graphs, and mathematical tables, 10th edn. National Bureau of Standards. Wiley, New York, p 1046
2. Ahmad R (2003) Developing early warning systems in Jamaica: rainfall thresholds for hydrological hazards. National Disaster Management Conference, Ocho Rios, St Ann, Jamaica, 9–10 September 2003. At website: http://www.mona.uwi.edu/uds/rainhazards_files/frame.htm
3. Aleotti P (2004) A warning system for rainfall-induced shallow failures. Eng Geol 73:247–265
4. Barbero S, Rabuffetti D, Zaccagnino M (2004) Una metodologia per la definizione delle soglie pluviometriche a supporto dell’emissione dell’allertamento. In: Proceedings of 29th Convegno Nazionale di Idraulica e Costruzioni Idrauliche. Trento, Italy, 211–217 (in Italian)
5. Brabb EE, Harrod BL (eds.) (1989) Landslides: extent and economic significance. A.A. Balkema Publisher, Rotterdam, p 385