Long-term aerosol and cloud database from space-borne lidar and ground-based lidar network observations - Apituley, Arnoud; Wandinger, Ulla; Pappalardo, Gelsomina; Mona, L; Hiebsch, Anja; Mattis, I; Madonna, Fabio; Ansmann, Albert; Linné, Holger; Iarlori, M (Earth-Care Workshop 2009, 2009)