SUROWIAK, Z., D. CZEKAJ, A. A. BAKIROV, and V. P. DUDKIEVICH. “Electro-Acoustic Tranducers on the Basis of Thin PZT Films”. Archives of Acoustics 24, no. 3 (September 30, 1999): 379–390. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/1109.