BONFIGLIO, Paolo; PONTEGGIA, Daniele; FARNETANI, Andrea. Preliminary analysis of an in-situ measurement system for normal-incidence absorption coefficient using a microphone array. Rivista Italiana di Acustica - Open Access, [S. l.], p. 120, 2026. DOI: 10.3280/riaof-2026oa21889. Disponível em: https://journals.francoangeli.it/index.php/ria/article/view/21889. Acesso em: 30 apr. 2026.