@article{vidal_vidal_2010,  title={Augmented reality systems for weed economic thresholds applications},  volume={28},  ISSN={0100-8358},  url={https://doi.org/10.1590/S0100-83582010000200025},  DOI={10.1590/S0100-83582010000200025},  number={2},  journal={Planta Daninha},  publisher={Sociedade Brasileira da Ciência das Plantas Daninhas },  author={Vidal, N.R. and Vidal, R.A.},  year={2010},  month={Apr},  pages={449–454} }