E. Jasiūnienė, E. Zukauskas, and R. Kazys, “Numerical Investigation of Influence of Temperature on Propagation of Ultrasonic Waves in Waveguides with Mode Conversion”, ELEKTRON ELEKTROTECH, vol. 18, no. 10, pp. 21–24, Oct. 2012, doi: 10.5755/j01.eee.18.10.2537.