QUAN, Longzhe; CHEN, Ci; LI, Yajun; QIAO, Yajing; XI, Dejun; ZHANG, Tianyu; SUN, Wenfeng. Design and test of stem diameter inspection spherical robot. International Journal of Agricultural and Biological Engineering, Beijing, China, v. 12, n. 2, p. 141–151, 2019. Disponível em: https://ijabe.org/index.php/ijabe/article/view/4163. Acesso em: 31 mar. 2026.