Fengbo, Y. (2017) “Numerical simulation and experimental verification on downwash air flow of six-rotor agricultural unmanned aerial vehicle in hover”, International Journal of Agricultural and Biological Engineering. Beijing, China, 10(4), pp. 41–53. Available at: https://www.ijabe.org/index.php/ijabe/article/view/3077 (Accessed: 2 February 2026).