RZESZOTARSKA, J.; RANACHOWSKI, J. The possibility of applying of acoustic methods for the monitoring of sol-gel processes. Archives of Acoustics, [S. l.], v. 25, n. 1, p. 83–92, 2000. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/355. Acesso em: 25 apr. 2025.