“NC 194 Primocane-Fruiting Thorny Erect Tetraploid Blackberry Germplasm”. Journal of the American Pomological Society 49, no. 2 (April 1, 1995): 101–102. Accessed January 31, 2026. https://journal.americanpomological.org/index.php/jofaps/article/view/2123.