ШУПТА, О. О.; БОГОМОЛОВ, М. Device for the increase of duration of radio signals. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 42, p. 107-111, 2010. DOI: 10.20535/RADAP.2010.42.107-111. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/606. Acesso em: 2 may. 2024.