@article{articlec0972670,
title   = {40Ar/39Ar geochronological constraints on the evolution of lateritic iron deposits in the Quadrilátero Ferrífero, Minas Gerais, Brazil},
author = {Spier, Carlos Alberto and Vasconcelos, Paulo Marcos and Oliveira, Sonia Maria Barros de},
year = {2006},
doi = {10.1016/j.chemgeo.2006.04.006},
journal   = {Chemical Geology}
}