@article{romanelli_milan_2010,  title={Material flow determination through agricultural machinery management},  volume={67},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162010000400001},  DOI={10.1590/S0103-90162010000400001},  number={4},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Romanelli, Thiago Libório and Milan, Marcos},  year={2010},  month={Aug},  pages={375–383} }