@article{souza_melo_pinto_2014,  title={A proposal to find the ultimate pit using Ford Fulkerson algorithm},  volume={67},  ISSN={0370-4467},  url={https://doi.org/10.1590/0370-44672014670166},  DOI={10.1590/0370-44672014670166},  number={4},  journal={Rem: Revista Escola de Minas},  publisher={Escola de Minas},  author={Souza, Felipe Ribeiro and Melo, Michel and Pinto, Cláudio Lúcio Lopes},  year={2014},  month={Oct},  pages={389–395} }