@article{articlef061dde9,
title   = {Iron (II) oxide determination in rocks and minerals},
author = {Andrade, Sandra and Hypolito, Raphael and Ulbrich, H. and Silva, Marinês Lopes},
year = {2002},
doi = {10.1016/s0009-2541(01)00274-1},
journal   = {Chemical Geology}
}