Дорохов, В.Л., Милованов, Ю.Б. and Федоренко, Ю.П. 2017. Parameters of the traveling ionospheric disturbances obtained by using a digital ionosonde. Visnyk of V.N. Karazin Kharkiv National University, series “Radio Physics and Electronics”. 27 (Nov. 2017), 80-84.