KLESZCZEWSKI, Zygmunt. “Investigation of the Acoustic Field Distribution in Piezoelectric Transducers by the Bragg Diffraction Method”. Archives of Acoustics 4, no. 3 (March 7, 2016): 257–270. Accessed June 22, 2025. https://acoustics.ippt.pan.pl/index.php/aa/article/view/3381.