Tuñón, Iñaki; Silla, Estanislao; Ruiz-López, Manuel F. (2000). "On the tautomerization process of glycine in aqueous solution". Chemical Physics Letters. 321 (5–6): 433–437. Bibcode:2000CPL...321..433T. doi:10.1016/S0009-2614(00)00365-1.
Tuñón, Iñaki; Silla, Estanislao; Ruiz-López, Manuel F. (2000). "On the tautomerization process of glycine in aqueous solution". Chemical Physics Letters. 321 (5–6): 433–437. Bibcode:2000CPL...321..433T. doi:10.1016/S0009-2614(00)00365-1.