ELLERSIEK, Hans-Heinrich. Trends bei der Schweinehaltung. agricultural engineering.eu, [S. l.], v. 57, n. 6, p. 320–321, 2002. DOI: 10.15150/lt.2002.1670. Disponível em: http://195.37.233.21/landtechnik/article/view/2002-57-6-320-321. Acesso em: 16 nov. 2024.