TY - CPAPER AU - Denis A. Letavin TI - COMPACT COUPLER WITH TWO WORKING BANDWIDTH T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Nano, Bio, Green and Space: Technologies for Sustainable Future PY - 2019 SP - 85 EP - 92 DO - 10.5593/sgem2019/6.1/s24.011 PB - STEF92 Technology ER -