MAKAREWICZ, Rufin; KERBER, Gabriela. A method of predicting noise equivalent level value in urban structure. Archives of Acoustics, [S. l.], v. 3, n. 4, p. 231–248, 1978. Disponível em: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3459. Acesso em: 4 mar. 2026.