YERMOLOV, P. ONTOLOGY FOR THE KNOWLEDGE PORTAL ON RADIO ENGINEERING AND TELECOMMUNICATION HISTORY. Information and Telecommunication Sciences, [S. l.], n. 1, p. 58–64, 2013. DOI: 10.20535/2411-2976.12013.58-64. Disponível em: https://infotelesc.kpi.ua/article/view/30227. Acesso em: 26 sep. 2025.