EBRAHIM, Ismail Z; AMER EISSA, Ayman Hafiz; WANG, Yingkuan. Vertical brush seed metering device for sweet sugar beet planter. International Journal of Agricultural and Biological Engineering, [S. l.], v. 3, n. 1, p. 26–37, 2010. Disponível em: https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/202. Acesso em: 27 feb. 2026.