@article{articlea6918da8,
title   = {Adaptation of ICP-OES routine determination techniques for the analysis of rare earth elements by chromatographic separation in geologic materials: tests with reference materials and granitic rocks},
author = {Navarro, Margareth Sugano and Ulbrich, H. and Andrade, Sandra and Janasi, Valdecir de Assis},
year = {2002},
doi = {10.1016/s0925-8388(02)00302-x},
journal   = {Journal of Alloys and Compounds}
}