Jozonis, Vaidas, and Jonas Stankūnas. “Analysis of Ultrasonic Meters Based on Displacement of Sound Waves”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 1, no. 6 (April 15, 2011): 111-114. Accessed April 18, 2024. https://journals.vilniustech.lt/index.php/MLA/article/view/10640.