Liu, H., Zhang, Q., Sun, H., Gu, Y., & Wang, N. (2023). A Novel Modified AlN/Sapphire Layered Structure for Spurious-Free Surface Acoustic Wave Resonator with High Coupling Coefficient. In (pp. 1–4). Montreal, QC, Canada: IEEE. http://doi.org/10.1109/IUS51837.2023.10308059 (Original work published 2025)