Stepanenko, Petro Ya.2014-03-192014-03-192013Stepanenko P. Ya. Resonators of mechanically tunable waveguide filters for tropospheric communication / Petro Ya. Stepanenko // Telecommunication Sciences : international research journal. – 2013. – Vol. 4, N. 1(6). – P. 39–50. – Bibliogr.: 11 ref.https://ela.kpi.ua/handle/123456789/7038enResonators of mechanically tunable waveguide filters for tropospheric communicationArticleРр. 39-50621.372.85