HERRMANN, Klaus. Meilensteine der Landtechnik. agricultural engineering.eu, [S. l.], v. 59, n. 2, p. 112–113, 2004. DOI: 10.15150/lt.2004.1304. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2004-59-2-112-113. Acesso em: 20 apr. 2024.