HATIEGAN, Cornel, Gilbert GILLICH, Ovidiu VASILE, Codruța HAMAT, Mihaela STROIA, and Marius PREDUS. “Improved Mathematical Relation of The Modal Shapes of Thin Rectangular Plates”. Romanian Journal of Acoustics and Vibration 19, no. 2 (March 13, 2023): 157-163. Accessed June 7, 2023. http://rjav.sra.ro/index.php/rjav/article/view/357.