Garus S, Jurczyńska A. The Influence of the Filling Factor on the Formation of Local Resonance Regions in a Two-Dimensional Phononic Hexagonal Structure. Acta Phys. Pol. A [Internet]. 2025 Apr. 7 [cited 2025 Apr. 19];147(3):172. Available from: https://appol.ifpan.edu.pl/index.php/appa/article/view/147_172