Корбут, В.М., and В.О. Піддубний. 2006. “Passive Radioextenders for Provision the Communication in the Regions Difficult to Access”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 33 (September):46-49. https://doi.org/10.20535/RADAP.2006.33.46-49.