JAMALAINEN, E. A. Vallens övervintring i norra Finland. Agricultural and Food Science, [S. l.], v. 42, n. 1, p. 45–58, 1970. DOI: 10.23986/afsci.71754. Disponível em: https://journal.fi/afs/article/view/71754. Acesso em: 18 apr. 2025.