Alexander, Alex G. “Enzyme-Sugar Relationships in Immature Sugarcane Treated With Ascorbic Acid, Cysteine, Hydroxylamine, Cyanide, Silicon, and Iron”. The Journal of Agriculture of the University of Puerto Rico 51, no. 1 (January 1, 1967): 46–54. Accessed April 19, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/11218.