G. Amiranashvili, Avtandil, et al. “On the Relationship of Annual Variations of the Intensity of Galactic Cosmic Rays With the Variability of Total Cloudiness, Atmospheric Precipitation and Air Temperature in Tbilisi in 1966-2015”. Journals of Georgian Geophysical Society, vol. 23, no. 2, Dec. 2020, doi:10.48614/ggs2320202731.