Charkina, O. V., A. V. Zalizovski, and Yu. M. Yampolski. “On the Possibility of Sounding the Boundaries of the Nothern Auroral Oval by Registrations of High Frequency Signals on Superlong Radio Paths”. Ukrainian Antarctic Journal, no. 1(17) (December 31, 2018): 58-64. Accessed April 27, 2024. http://uaj.uac.gov.ua/index.php/uaj/article/view/32.