Pluymers, Bert, Caroline Vanmaele, Wim Desmet, and Dirk Vandepitte. “Application of a Hybrid Finite Element-Trefftz Approach for Acoustic Analysis”. Computer Assisted Methods in Engineering and Science 13, no. 3 (November 17, 2022): 427–444. Accessed May 15, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/943.