Mele, Daniela, Fabio Dioguardi, and Pierfrancesco Dellino. 2019. “A Study on the Influence of Internal Structures on the Shape of Pyroclastic Particles by X-Ray Microtomography Investigations”. Annals of Geophysics 61 (6 sup):VO670. https://doi.org/10.4401/ag-7868.