Lidar Ratio Derived for Pure Dust Aerosols: Multi-Year Micro Pulse Lidar Observations in a Saharan Dust-Influenced RegionCarmen Córdoba-Jabonero, José Antonio Adame, James R. Campbell, Emilio Cuevas, Juan Pedro Díaz, Francisco Expósito and Manuel Gil-OjedaEPJ Web of Conferences, 119 (2016) 23017DOI: https://doi.org/10.1051/epjconf/201611923017