HERRMANN, Klaus. Meilensteine der Landtechnik. agricultural-engineering.eu, [S. l.], v. 60, n. 2, p. 110–111, 2005. DOI: 10.15150/lt.2005.1184. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2005-60-2-110-111. Acesso em: 28 märz. 2024.