%0 Conference Article %T LIDAR MEASUREMENTS OF OPTICAL THICKNESS OF HIGH-LEVEL CLOUDS IN TOMSK %A Kohanenko, G.P. %A Balin, Y.S. %A Nasonov, S.V. %A Penner, I.E. %K atmosphere, lidar, clouds. %J The XXXI International Symposium "Atmospheric and Ocean Optics. Atmospheric Physics" %D 2025 %P 3 %I V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences