MARQUERING, Johannes; SCHEUFLER, Bernd. Präzise Saat durch Körnerzähler Sensor. agricultural engineering.eu, [S. l.], v. 61, n. 5, p. 248–249, 2006. DOI: 10.15150/lt.2006.1113. Disponível em: http://195.37.233.11/landtechnik/article/view/2006-61-5-248-249. Acesso em: 27 apr. 2024.