V. G. . Kukhalashvili, M. G. . Pipia, N. G. . Gigauri, A. A. . Surmava, and L. N. Intskirveli, “Study of Tbilisi City Atmosphere Pollution with PM2.5 and PM10-Microparticles During COVID-19 Pandemic Period ”, GGS, vol. 25, no. 2, Dec. 2022.