@article{article_137535, title={Positioning Systems in Precision Farming and CORS-TR}, journal={Tarım Makinaları Bilimi Dergisi}, volume={6}, pages={137–144}, year={2010}, author={Eren, Kamil and Uzel, Turgut and Akdemir, Bahattin and Gülal, Engin}, number={2}, publisher={Tarım Makinaları Derneği}