ETTALA, E. The performance testing of boars I. Performance testing on Finnish experimental stations and genetic and environmental influences on test results. Agricultural and Food Science, [S. l.], v. 43, n. 1, p. 53–62, 1971. DOI: 10.23986/afsci.71784. Disponível em: https://journal.fi/afs/article/view/71784. Acesso em: 29 jun. 2024.