MEYER, Joachim; HARTMANN, Paul. Automatische Führung von Hackgeräten. agricultural engineering.eu, [S. l.], v. 54, n. 3, p. 146–147, 1999. DOI: 10.15150/lt.1999.2254. Disponível em: http://195.37.233.11/landtechnik/article/view/1999-54-3-146-147. Acesso em: 4 mai. 2024.