ULVINEN, O. Suomessa viljeltyjen ohralajikkeiden systemaattinen asema. Agricultural and Food Science, [S. l.], v. 35, n. 4, p. 127–137, 1963. DOI: 10.23986/afsci.71603. Disponível em: https://journal.fi/afs/article/view/71603. Acesso em: 19 may. 2024.