PALANI, R., and R. SENTHILNATHAN. “Ultrasonic Study of Amino Acids in Aqueous Urea Mixture at 298K”. Asian Journal of Chemistry 19, no. 5 (March 30, 2010): 3588–3596. Accessed October 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/13251.