@article{köpp_peiter_robaina_girardi_2016,  title={Performance indices for pumping stations in irrigated rice fields},  volume={46},  ISSN={0103-8478},  url={https://doi.org/10.1590/0103-8478cr20150849},  DOI={10.1590/0103-8478cr20150849},  number={8},  journal={Ciência Rural},  publisher={Universidade Federal de Santa Maria},  author={Köpp, Luciana Marini and Peiter, Marcia Xavier and Robaina, Adroaldo Dias and Girardi, Leonita Beatriz},  year={2016},  month={Aug},  pages={1384–1389} }