KLESZCZEWSKI, Z. Making use of Bragg’s diffraction for investigations of the acoustic activity of bismuth-germanium oxide. Archives of Acoustics, [S. l.], v. 15, n. 3-4, p. 367–374, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1295. Acesso em: 26 apr. 2025.