Dvornichenko, V. P., N. F. Karushkin, V. V. Malyshko, and V. A. Orekhovskii. “Solid State Ka-Band Pulse Oscillator With Frequency Electronic Switching”. Technology and Design in Electronic Equipment, no. 4, Aug. 2015, pp. 3-7, doi:10.15222/TKEA2015.4.03.