Zhang, Xihai, Chengguo Fan, Zhanyuan Cao, Junlong Fang, and Yinjiang Jia. 2020. “Novel Obstacle-Avoiding Path Planning for Crop Protection UAV Using Optimized Dubins Curve”. International Journal of Agricultural and Biological Engineering 13 (4):172-77. https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/3205.