SONG, Yang; SHUMIN, Zhang. Design and parameter optimization of flexible comb-type grass seed metering device. International Journal of Agricultural and Biological Engineering, Beijing, China, v. 8, n. 1, p. 9–16, 2015. Disponível em: https://ijabe.org/index.php/ijabe/article/view/1294. Acesso em: 31 mar. 2026.