“Growth and Fruiting of a Spur-Type and a Standard Strain of ‘Golden Delicious’ on Several Rootstocks Over Eighteen Years”. Journal of the American Pomological Society 51, no. 3 (July 1, 1997): 165–175. Accessed January 31, 2026. https://journal.americanpomological.org/index.php/jofaps/article/view/2275.