Martynyuk, Sergiy Y.Vasylenko, Dmytro O.2014-03-142014-03-142012Martynyuk S. Y. Dual frequency circularly polarized microstrip antenna array / Sergiy Y. Martynyuk, Dmytro O. Vasylenko // Telecommunication Sciences : international research journal. – 2012. – Vol. 3, N. 1(4). – P. 46–54. – Bibliogr.: 11 ref.https://ela.kpi.ua/handle/123456789/6992enDual frequency circularly polarized microstrip antenna arrayArticlePp. 46-54621.372.22