Patrusheva, Tamara, Sergey Petrov, Ludmila Drozdova, and Aleksandr Shashurin. “FERROELECTRICS IN ACOUSTOELECTRONICS”. Journal Akustika 39, no. 39 (June 1, 2021). Accessed February 6, 2025. https://www.journalakustika.com/index.php/akustika/article/view/28.