Aragón-Ortiz, F., C. I. Nanne-Echandi, and E. Fink. “Properties and N-Terminal Amino Acid Sequences of Three <i>Erythrina</i> Lectins from Costa Rica (Leguminosae)”. Revista De Biología Tropical, vol. 42, no. 3, Dec. 1994, pp. 467–471, https://revistas.ucr.ac.cr/index.php/rbt/article/view/23222.