GRELOWSKA, Grażyna; KOZACZKA, Eugeniusz. Nonlinear Properties of the Gotland Deep – Baltic Sea. Archives of Acoustics, [S. l.], v. 40, n. 4, p. 595–600, 2015. DOI: 10.1515/aoa-2015-0059. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1668. Acesso em: 28 apr. 2025.