HÅRDH, J. E.; WALLDEN, J. Mustaherukan kukankehitys ja marjanmuodostus. Agricultural and Food Science, [S. l.], v. 37, n. 1, p. 61–75, 1965. DOI: 10.23986/afsci.71625. Disponível em: https://journal.fi/afs/article/view/71625. Acesso em: 17 aug. 2024.