@article{weirich neto_justino_namur_domingues_garcia_2012,  title={Comparison of metering mechanisms of corn seed},  volume={32},  ISSN={0100-6916},  url={https://doi.org/10.1590/S0100-69162012000500017},  DOI={10.1590/S0100-69162012000500017},  number={5},  journal={Engenharia Agrícola},  publisher={Associação Brasileira de Engenharia Agrícola},  author={Weirich Neto, Pedro H. and Justino, Altair and Namur, Rodrigo T. and Domingues, José and Garcia, Luiz C.},  year={2012},  month={Sep},  pages={981–988} }