Experimental and Numerical Evaluation of the Fundamental Natural ‎Frequency of a Spherical Core Sandwich Structure.‎. Journal of University of Babylon for Engineering Sciences, [S. l.], v. 30, n. 3, p. 61–73, 2022. Disponível em: https://www.journalofbabylon.com/index.php/JUBES/article/view/4332. Acesso em: 3 may. 2025.