V. L. Lanin and V. S. Tomal, “Ultrasonic Clearing Technology of Electronics Products”, ELEKTRON ELEKTROTECH, vol. 83, no. 3, pp. 49–52, Mar. 2008, Accessed: Jan. 22, 2026. [Online]. Available: https://eejournal.ktu.lt/index.php/elt/article/view/11076