Analysis of different cloud signatures using multiwavelength raman lidar retrievals Simona Andrei, Flori Ţoancă, Anca Nemuc, Alex Dandocsi, Livio Belegante and Doina Nicolae EPJ Web Conf., 176 (2018) 05034 Published online: 13 April 2018 DOI: 10.1051/epjconf/201817605034