Lugo-López, M. A., and B. G. Capó. “The Effect of Elevation on the Sucrose Content of Sugarcane”. The Journal of Agriculture of the University of Puerto Rico 38, no. 3 (July 1, 1954): 128–131. Accessed March 29, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12721.