Jerabek, J., R. Sotner, and K. Vrba. 2014. “Tunable Multiphase Oscillator Using Diamond Transistors With Voltage Controlled Condition of Oscillation for Amplitude Stabilization”. Elektronika Ir Elektrotechnika 20 (1):45-48. https://doi.org/10.5755/j01.eee.20.1.6166.