Crisci, G.M. Analysing lava risk for the Etnean area: simulation by cellular automata methods - Dordrecht Kluwer Academic Publishers November 1999 - pp. 215-229 ilus., maps. Subjects--Topical Terms: LAVASMETODOS AUTOMATICOSRIESGO VOLCANICOSIMULACION Subjects--Geographic Terms: ETNA, VOLCANITALIA