Farafonov, A. Y., A. Y. Voropay, L. M. Karpukov, and S. N. Romanenko. “SYNTHESIS OF MICROSTRIP BANDPASS FILTERS ON LINES CONNECTED TO OPENINGS IN THE SCREEN”. Radio Electronics, Computer Science, Control, no. 1, Oct. 2008, http://ric.zntu.edu.ua/article/view/23537.