Zhang, D.; Chen, L.; Zhang, R.; Hoffmann, W. C.; Xu, G.; Lan, Y.; Wang, X.; Xu, M. Evaluating Effective Swath Width and Droplet Distribution of Aerial Spraying Systems on M-18B and Thrush 510G Airplanes. Int J Agric & Biol Eng 2015, 8, 21-30.