Upgraded Three-Wavelength Lidar for Real-Time Observations of Volcanic Aerosol Optical and Microphysical Properties at Etna (Italy): Calibration Procedures and Measurement Tests. - Matteo Manzo; Gianpiero Aiesi; Antonella Boselli; Salvatore Consoli; Riccardo Damiano; Guido Di Donfrancesco; Benedetto Saraceno; Simona Scollo (Sensors, 2024)