M. CZERWIEC, D. BRZEZIŃSKA, R. ZACHARIASZ, and J. ILCZUK, “The Influence of the La3+ Content on the Mechanical Properties of Electrooptic Transducers Based on PLZT Type Ceramics”, Arch. Acoust., vol. 33, no. 4(S), pp. 189–194, Dec. 2008, Accessed: Jun. 11, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/857