@article{article89e20560,
title   = {Geology and geochemistry of the Águas Claras and Pico iron mines, Iron Quadrangle, Minas Gerais, Brazil},
author = {Spier, Carlos Alberto and Oliveira, Sonia Maria Barros de and Rosière, C. A.},
year = {2006},
journal   = {CIM Bulletin}
}