VALMARI, A.; VALMARI, I. On the frost resistance of red clover with special attention to seed production. Agricultural and Food Science, [S. l.], v. 38, n. 1, p. 27–48, 1966. DOI: 10.23986/afsci.71650. Disponível em: https://journal.fi/afs/article/view/71650. Acesso em: 27 jul. 2024.