Variations in the Aerosol Optical Depth above the European Russia Territory from the Data Obtained at the Russian Actinometric Network in 1976a2016 Years. Global Journal of Science Frontier Research, [S. l.], v. 18, n. A4, p. 47–51, 2018. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/101349. Acesso em: 14 aug. 2026.