Oliynyk, Olga, Yuri Taranenko, Alexander Shvachka, and Olena Chorna. “Development of auto­oscillating System of Vibration Frequency Sensors With Mechanical Resonator”. Eastern-European Journal of Enterprise Technologies 1, no. 2 (85) (February 27, 2017): 56–60. Accessed April 19, 2024. https://journals.uran.ua/eejet/article/view/93335.