HEEGE, Hermann J.; FELDHAUS, Benedikt. Samen zählen. agricultural engineering.eu, [S. l.], v. 53, n. 4, p. 240–241, 1998. DOI: 10.15150/lt.1998.2395. Disponível em: http://195.37.233.21/landtechnik/article/view/1998-53-4-240-241. Acesso em: 16 nov. 2024.