HERRMANN, Hans-Joachim. Trends in der Milchviehhaltung. agricultural engineering.eu, [S. l.], v. 61, n. 6, p. 362–363, 2006. DOI: 10.15150/lt.2006.1131. Disponível em: http://195.37.233.11/landtechnik/article/view/2006-61-6-362-363. Acesso em: 2 mai. 2024.