“Long-Term Performance Potential and Stability Across 10 Environments for Nine Apple Rootstocks Tested in the 1980-81 NC-140 Trial”. Journal of the American Pomological Society 45, no. 4 (October 1, 1991): 208–212. Accessed December 10, 2025. https://journal.americanpomological.org/index.php/jofaps/article/view/1935.