ULVINEN, O. Pomo- ja etu-ohrien tunnistaminen. Agricultural and Food Science, [S. l.], v. 44, n. 1, p. 41–48, 1972. DOI: 10.23986/afsci.71808. Disponível em: https://journal.fi/afs/article/view/71808. Acesso em: 28 aug. 2024.