FEDOSEEVA, E.; BULKIN, V.; KALINICHENKO, M. TECNIQUE FOR ESTIMATING THE EFFICIENCY OF NOISE PROTECTIVE ACOUSTIC SCREENS IN THE PRESENCE OF FLAT ANTI-DIFFRACTORS. Journal Akustika, [S. l.], v. 40, n. 40, 2021. DOI: 10.36336/akustika20214022. Disponível em: https://journalakustika.com/index.php/akustika/article/view/73. Acesso em: 25 oct. 2021.