TY CONF TI OPTO-ACOUSTIC METHOD OF DETERMINING THE SPECTRAL ACOUSTIC TRANSPARENCY OF THE ATMOSPHERE KW spectral acoustic transparency of the atmosphere KW acoustic emission JO International Symposium Atmospheric and Ocean Optics. Atmospheric Physics AU Shamanaeva, L.G. AU Potekaev, A.I. AU Krasnenko, N.P. PY 2026 PB V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences