VILNIŠKIS, Tomas, and Tomas JANUŠEVIČIUS. “Sound Insulation Properties of Sound-Reduction Louvers With Innovative Devulcanized Rubber”. Archives of Acoustics 49, no. 3 (April 5, 2024): 359–368. Accessed April 26, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3044.