MAKAREWICZ, Rufin. The location of the ground focus line produced by a supersonic aircraft. Archives of Acoustics, [S. l.], v. 2, n. 3, p. 167–176, 2016. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3480. Acesso em: 25 apr. 2025.