Yermolov, Pavel P.2014-03-192014-03-192013Yermolov P. Р. Ontology for the knowledge portal on radio engineering and telecommunication history / Pavel P. Yermolov // Telecommunication Sciences : international research journal. – 2013. – Vol. 4, N. 1(6). – P. 58–64. – Bibliogr.: 12 ref.https://ela.kpi.ua/handle/123456789/7040enOntology for the knowledge portal on radio engineering and telecommunication historyArticlePp. 58-64004.8