Z. SUROWIAK, E. G. FRESENKO, and R. SKULSKI, “Dielectric and electrostrictive properties of ferroelectric relaxors”, Arch. Acoust., vol. 24, no. 3, pp. 391–400, Sep. 2014, Accessed: Apr. 26, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1113