Zalizovski, A. V., A. V. Koloskov, and Y. M. Yampolski. “Studying in Antarctica the Time-Frequency Characteristics of HF Signals at the Long Radio Paths”. Ukrainian Antarctic Journal, no. 14 (December 31, 2015): 124-137. Accessed November 23, 2024. http://uaj.uac.gov.ua/index.php/uaj/article/view/181.