“Dietary Fiber Composition of ‘Starkspur Supreme Delicious’ Apple Fruit As Influenced by Rootstock and Growing Region”. Journal of the American Pomological Society 50, no. 1 (January 1, 1996): 35–41. Accessed December 17, 2025. https://journal.americanpomological.org/index.php/jofaps/article/view/2207.