Wichien Sang-aroon และ Vithaya Ruangpornvisuti. (2007) Conformation, energies and complexation between alkali cations and aspartic acid. Chulalongkorn University:ม.ป.ท.Wichien Sang-aroon และ Vithaya Ruangpornvisuti. 2007. Conformation, energies and complexation between alkali cations and aspartic acid. ม.ป.ท.:Chulalongkorn University;Wichien Sang-aroon และ Vithaya Ruangpornvisuti. Conformation, energies and complexation between alkali cations and aspartic acid. ม.ป.ท.:Chulalongkorn University, 2007. Print.