Giampiccolo, E., Gresta, S., Mucciarelli, M., De Guidi, G. and Gallipoli, M.R. 2001. Information on subsoil geological structure in the city of Catania (Eastern Sicily) from microtremor measurements. Annals of Geophysics. 44, 1 (Dec. 2001). DOI:https://doi.org/10.4401/ag-3606.