Ramos D, Pompoli F, Godinho L, Amado-Mendes P, Mareze P. The acoustical design and modelling of a subwavelength hexag-onal acoustic metamaterial for multipurpose use and potential building applications. RIA [Internet]. 13 maggio 2026 [citato 9 giugno 2026];. Available at: https://journals.francoangeli.it/index.php/ria/article/view/22128