Вунтесмери, Ю.В. 2013. Helicon isolator transient studies. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 53 (Jul. 2013), 60-67. DOI:https://doi.org/10.20535/RADAP.2013.53.60-67.