ŚWIRK, Patrycja, and Lucyna LENIOWSKA. “Modeling of the Acoustic Properties of Foamed Polypropylene Panels”. Engineering Transactions 73, no. 1 (January 28, 2025): 89–101. Accessed June 5, 2025. https://et3.ippt.pan.pl/index.php/et/article/view/3428.