Determination of the largest clasts of tephra deposits for the characterization of explosive volcanic eruptions: report of the IAVCEI Commission on Tephra Hazard Modelling
1. University of Geneva, Switzerland 2. Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Etneo 3. Universita' di Firenze (Italy) 4. University of Geneva 5. University of Pisa, Italy