KIM, Myong-Jin, Chun-Gil RIM, and Kyong-Su WON. 2021. “Broadening Low-Frequency Band Gap of Double-Panel Structure Using Locally Resonant Sonic Crystal Comprised of Slot-Type Helmholtz Resonators”. Archives of Acoustics 46 (2): 335–340. https://doi.org/10.24425/aoa.2021.136587.