PALANI, R.; SENTHILNATHAN, R. Ultrasonic Study of Amino Acids in Aqueous Urea Mixture at 298K. Asian Journal of Chemistry, [S. l.], v. 19, n. 5, p. 3588–3596, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/13251. Acesso em: 23 jul. 2024.