Spectral properties of volcanic materials from hyperspectral field and satellite data compared with LiDAR data at Mt. Etna. - Claudia Spinetti; Francesco Mazzarini; Ruggero Casacchia; Laura Colini; Marco Neri 001; Boris Behncke; Rosamaria Salvatori; Maria Fabrizia Buongiorno; Maria Teresa Pareschi (Int. J. Appl. Earth Obs. Geoinformation, 2009)