GALL, Christian; SCHÜLE, Thomas; KÖLLER, Karlheinz. Systemvergleich Direktsaattechnik. agricultural engineering.eu, [S. l.], v. 64, n. 3, p. 172–174, 2009. DOI: 10.15150/lt.2009.658. Disponível em: http://195.37.233.11/landtechnik/article/view/2009-64-3-172-174. Acesso em: 30 apr. 2024.