RAKOV, Denis Sergeevich; RAKOV, Aleksandr S.; CHURSIN, Yury A.; PAVLICHEV, Vsevolod V.; IGUMNOV, Artyom O. High-Directional Sound Propagation Over the Earth’s Surface. Archives of Acoustics, [S. l.], v. 45, n. 4, p. 747–752, 2020. DOI: 10.24425/aoa.2020.135280. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/2753. Acesso em: 28 apr. 2025.