Semidey, Nelson, and Oscar D. Ramírez. “Preliminary Evaluation of 21 Certified Virus-Free Citrus Clones”. The Journal of Agriculture of the University of Puerto Rico 69, no. 3 (July 1, 1985): 429–433. Accessed April 19, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/7371.