RUMP, Bernhard; KÖLLER, Karlheinz. Weiterentwicklung von Direktsaatscharen. agricultural engineering.eu, [S. l.], v. 59, n. 1, p. 12–13, 2004. DOI: 10.15150/lt.2004.1267. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2004-59-1-012-013. Acesso em: 26 apr. 2024.