SUROWIAK, Z., E. G. FRESENKO, and R. SKULSKI. “Dielectric and Electrostrictive Properties of Ferroelectric Relaxors”. Archives of Acoustics 24, no. 3 (September 30, 2014): 391–400. Accessed April 26, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1113.