Romanenko, S. N., V. P. Dmitrenko, and V. A. Voskoboynyk. “CALCULATION OF MICROSTRIP DIRECTIONAL COUPLERS WITH DISPERSION AND LOSSES IN TRANSMISSION LINES”. Radio Electronics, Computer Science, Control, no. 2 (November 18, 2013). Accessed May 6, 2024. http://ric.zntu.edu.ua/article/view/20710.