FILIPIAK, J., A. MAJCHROWSKI, and T. ŁUKASIEWICZ. “Lithium Tetraborate Single Crystals As a Substrate for SAW Devices”. Archives of Acoustics 19, no. 1 (May 1, 2014): 131–135. Accessed January 17, 2026. https://acoustics.ippt.gov.pl/index.php/aa/article/view/1067.