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Дубровка, Ф. and Овсяник, Ю.А. 2009. Dual- And Multiband Horns of feed systems for reflector-type antennas. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 38 (Mar. 2009), 130-147. DOI:https://doi.org/10.20535/RADAP.2009.38.130-147.