@article{article13b23299,
title   = {An evaluation of the effects of primary and cross-contamination during the preparation of rock powders for chemical determinations},
author = {Sertek, José Paulo and Andrade, Sandra and Ulbrich, H.},
year = {2015},
doi = {10.1111/j.1751-908X.2014.00324.x},
journal   = {Geostandards and Geoanalytical Research}
}