Pauk, János, Sándor Fekete, Juha Vilkki, and Seppo Pulli. “Protoplast Culture and Plant Regeneration of Different Agronomically Important Brassica Species and Varieties”. Agricultural and Food Science 63, no. 5 (December 1, 1991): 371–378. Accessed May 2, 2024. https://journal.fi/afs/article/view/72416.