KLEE, Ulrich; HOFMANN, Lutz. DGPS-gestütztes Sicherheitssystem für Landmaschinen. agricultural engineering.eu, [S. l.], v. 55, n. 4, p. 284–285, 2000. DOI: 10.15150/lt.2000.1907. Disponível em: http://195.37.233.11/landtechnik/article/view/2000-55-4-284-285. Acesso em: 6 mai. 2024.