Li, Y. L., and S. P. Yi. “Improving the Efficiency of Spatially Selective Operations for Agricultural Robotics in Cropping Field”. Spanish Journal of Agricultural Research 11, no. 1 (January 31, 2013): 56-64. Accessed August 1, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/3290.