ISENSEE, Edmund; LIEDER, Wolfgang. Ertragsmessung in der Rübenernte. agricultural engineering.eu, [S. l.], v. 56, n. 4, p. 272–273, 2001. DOI: 10.15150/lt.2001.1778. Disponível em: http://195.37.233.11/landtechnik/article/view/2001-56-4-272-273. Acesso em: 5 mai. 2024.