Development of optical-electronic systems for the study of temporal trends in the atmosphere composition and temporal variations of the Earth’s climateN.I. Moskalenko, S.N. Parzhin, I.R. Dodov, M.S. Hamidullina and A.R. AkhmetshinE3S Web Conf., 124 (2019) 05015DOI: https://doi.org/10.1051/e3sconf/201912405015