Looking Into CALIPSO Climatological Products: Evaluation and Suggestions from EARLINET Nikolaos Papagiannopoulos, Lucia Mona, Lucas Alados-Alboledas, Vassilis Amiridis, Daniele Bortoli, Giuseppe D’Amico, Maria Joao Costa, Sergio Pereira, Nicola Spinelli, Ulla Wandinger and Gelsomina Pappalardo EPJ Web of Conferences, 119 (2016) 04006 Published online: 07 June 2016 DOI: 10.1051/epjconf/201611904006