Semerhei-Chumachenko A. B., Agayar E. V., and Zhuk D. O. “SPATIOTEMPORAL DISTRIBUTION OF TORNADOES AND SQUALLS IN THE NORTH-WESTERN BLACK SEA REGION IN 2006-2020”. World Science, no. 11(72), Dec. 2021, doi:10.31435/rsglobal_ws/30122021/7718.