@article{silva_costa_2014,  title={Minimum/maximum autocorrelation factors applied to grade estimation},  volume={67},  ISSN={0370-4467},  url={https://doi.org/10.1590/S0370-44672014000200013},  DOI={10.1590/S0370-44672014000200013},  number={2},  journal={Rem: Revista Escola de Minas},  publisher={Escola de Minas},  author={Silva, Camilla Zacché da and Costa, João Felipe Coimbra Leite},  year={2014},  month={Apr},  pages={209–214} }