Design and control of precision drop-on-demand herbicide application in agricultural robotics. - Frode Urdal; Trygve Utstumo; Jan Kare Vatne; Simen Andreas Adnoy Ellingsen; Jan Tommy Gravdahl (ICARCV, 2014)

Robotic in-row weed control in vegetables. - Trygve Utstumo; Frode Urdal; Anders Brevik; Jarle Dørum; Jan Netland; Øyvind Overskeid; Therese W. Berge; Jan Tommy Gravdahl (Comput. Electron. Agric., 2018)