Textor, C., H. Graf, A. Longo, A. Neri, T. E. Ongaro, P. Papale, C. Timmreck, and G. G. J. Ernst. “Numerical Simulation of Explosive Volcanic Eruptions from the Conduit Flow to Global Atmospheric Scales”. Annals of Geophysics, vol. 48, no. 4-5, Dec. 2005, doi:10.4401/ag-3237.