HERRMANN, Klaus. Meilensteine der Landtechnik 2011. agricultural engineering.eu, [S. l.], v. 66, n. 4, p. 297–299, 2011. DOI: 10.15150/lt.2011.415. Disponível em: http://195.37.233.11/landtechnik/article/view/2011-66-4-297-299. Acesso em: 5 mai. 2024.