“The Citrus Rootstocks Cleopatra Mandarin, Poncirus Trifoliata, Forner-Alcaide 5 and Forner-Alcaide 13 Vary in Susceptibility to Iron Deficiency Chlorosis”. Journal of the American Pomological Society 63, no. 4 (October 1, 2009): 160–167. Accessed December 11, 2025. https://journal.americanpomological.org/index.php/jofaps/article/view/2723.