Мазор, Ю.Л. “Radiocontact With Unearthly Civilizations”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 35 (October 2, 2007): 138-148. Accessed May 4, 2024. https://radap.kpi.ua/radiotechnique/article/view/333.