@article{article321bec4b,
title   = {Copper ore type definition from Sossego Mine using X-ray diffraction and cluster analysis technique},
author = {Shimizu, Viviane Kotani and Kahn, Henrique and Antoniassi, Juliana Lívi and Ulsen, Carina},
year = {2012},
doi = {10.1590/S0370-44672012000400019},
journal   = {REM: Revista da Escola de Minas}
}