Cao, Yafei, Yuanwei Yao, and Huiping Feng. “Schoch Effect in Topological Phononic Crystals”. Academic Journal of Science and Technology 5, no. 2 (March 21, 2023): 89–94. Accessed April 20, 2026. https://drpress.org/ojs/index.php/ajst/article/view/6289.