“Effect of Transplanting Rootstocks Before Grafting on Xylem Exudation and Graft Success in Walnut”. Journal of the American Pomological Society 57, no. 4 (October 1, 2003): 146–148. Accessed December 10, 2025. https://journal.americanpomological.org/index.php/jofaps/article/view/2517.