Ramírez, O. D., H. Gandía, and J. Vélez Fortuño. “Two New Pineapple Varieties for Puerto Rico”. The Journal of Agriculture of the University of Puerto Rico 54, no. 3 (July 1, 1970): 417–428. Accessed March 29, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10981.