1. Systematic design of an autonomous platform for robotic weeding;Bakker;J. Terramechanics,2010
2. A path following algorithm for mobile robots;Bakker;Aut. Robots,2010
3. Canny Edge Detection, (n.d.). (OpenCV). Retrieved from: http://docs.opencv.org/master/da/d22/tutorial_py_canny.html#gsc.tab=0.
4. Common Industrial Applications of PID Control, (n.d.). (Control Station Inc.). Retrieved from: http://controlstation.com/pid-control/.
5. Overview: segmentation;Demant,2013