RUDOVSKY, Annerose. Gruppenbildung bei tragenden Sauen. agricultural engineering.eu, [S. l.], v. 58, n. 1, p. 44–45, 2003. DOI: 10.15150/lt.2003.1391. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2003-58-1-044-045. Acesso em: 3 mai. 2024.