PŁOWIEC, R.; BERCHIESI, G. Comparison of shear ultrasonic results of electrolyte-acetamide molten mixtures. Archives of Acoustics, [S. l.], v. 19, n. 4, p. 533–538, 1994. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/1126. Acesso em: 18 apr. 2026.