PÄRNA, E.; KIIMAN, H.; VALLAS, M. Development of a breeding objective for Estonian Holstein cattle. Agricultural and Food Science, [S. l.], v. 16, n. 3, p. 212–221, 2007. DOI: 10.2137/145960607783328164. Disponível em: https://journal.fi/afs/article/view/5882. Acesso em: 17 aug. 2022.