KLESZCZEWSKI, Zygmunt. “Investigation of the Acoustic Field Distribution in Piezoelectric Transducers by the Bragg Diffraction Method”. Archives of Acoustics 4, no. 3 (September 30, 1979): 257–270. Accessed March 4, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/3381.