@article{longhi_reginato_teixeira_cortez_lusa_gonzalez_fleck_2012,  title={Control loop performance assessment and improvement of an industrial hydrotreating unit and its economical benefits},  volume={23},  ISSN={0103-1759},  url={https://doi.org/10.1590/S0103-17592012000100006},  DOI={10.1590/S0103-17592012000100006},  number={1},  journal={Sba: Controle & Automação Sociedade Brasileira de Automatica},  publisher={Sociedade Brasileira de Automática},  author={Longhi, L.G.S. and Reginato, A.S. and Teixeira, H.C.G. and Cortez, C.A.C. and Lusa, L.P. and Gonzalez, S.S. and Fleck, T.D.},  year={2012},  month={Jan},  pages={60–77} }