Levitskii, R. R., A. S. Vdovych, A. P. Moina, and I. R. Zachek. “Piezoelectric Resonance in KH2PO4 Type Crystals Revisited”. Physics and Chemistry of Solid State 16, no. 3 (September 15, 2015): 464–468. Accessed November 21, 2024. https://personnel.pnu.edu.ua/index.php/pcss/article/view/1633.