HERRMANN, Hans-Joachim. Trends in der Milchviehhaltung. agricultural engineering.eu, [S. l.], v. 55, n. 6, p. 404–405, 2000. DOI: 10.15150/lt.2000.1978. Disponível em: http://195.37.233.11/landtechnik/article/view/2000-55-6-404-405. Acesso em: 6 mai. 2024.