“The Influence of Cultivar and Orchard Systemon Pruning Time Per Tree, Per Hectare, and Per Unit of Yield”. Journal of the American Pomological Society 56, no. 4 (October 1, 2002): 202–206. Accessed February 13, 2026. https://journal.americanpomological.org/index.php/jofaps/article/view/2486.