Valkonen, Jari P. T. “Three Strains of Bean Yellow Mosaic Virus: Symptoms and Accumulation in Eight Pea Cultivars (Pisum Sativum L.)”. Agricultural and Food Science 2, no. 1 (January 1, 1993): 41–49. Accessed May 1, 2024. https://journal.fi/afs/article/view/72639.