Wójcik, J., J. Litniewski, L. Filipczyński, and T. Kujawska. “Nonlinear Effects and Possible Temperature Increases in Ultrasonic Microscopy”. Archives of Acoustics 27, no. 3 (January 1, 2002). Accessed January 17, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/426.