Harju, Pirkko, and Jyrki Kankila. “Erwinia Carotovora Contamination of Finnish Seed Potatoes and the Prevalence of Bacterial Subspecies and Serogroups”. Agricultural and Food Science 2, no. 4 (July 1, 1993): 345–352. Accessed November 26, 2024. https://journal.fi/afs/article/view/72657.