@article{article90ee5778,
title   = {Concentration of manganese tailings via reverse flotation in acid medium},
author = {Souza, Helder Silva and Braga, André Soares and Oliveira, Arildo Henrique de and Leal Filho, Laurindo de Salles},
year = {2016},
doi = {10.1590/0370-44672015690069},
journal   = {REM: Revista Escola de Minas}
}