KIVINEN, E. I. The causes of the black stem rust epidemic in Finland in summer 1931. Agricultural and Food Science, [S. l.], v. 25, n. 1, p. 147–152, 1953. DOI: 10.23986/afsci.71336. Disponível em: https://journal.fi/afs/article/view/71336. Acesso em: 15 aug. 2024.