Копей, Б. В., Ю. А. Бобошко, В. В. Лопатін, and И. Б. Копей. 2007. “TRANSDUCERS FOR MOBILE MEASURING SYSTEM”. Oil and Gas Power Engineering, no. 3(4) (July):47-54. https://nge.nung.edu.ua/index.php/nge/article/view/420.