Фесіч, В.П. “Direct Digital Synthesis (dds) in Control Systems Ultrasonic Resonance Actuators”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 48 (February 27, 2012): 134-139. Accessed April 24, 2024. https://radap.kpi.ua/radiotechnique/article/view/152.