SONGCHAO, Zhang; XINYU, Xue; ZHU, Sun; LIXIN, Zhou; YONGKUI, Jin. Downwash distribution of single-rotor unmanned agricultural helicopter on hovering state. International Journal of Agricultural and Biological Engineering, [S. l.], v. 10, n. 5, p. 14–24, 2017. Disponível em: https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/3079. Acesso em: 26 dec. 2025.