B. A. Freitas, C. S. Silveira, J. A. Resende, R. B. V. Azeredo, Preparing a rock sample to Rietveld analysis: What is the best grinding method?, Blucher Physics Proceedings, Volume 1, 2015, Pages 68-68, ISSN 23582359, http://dx.doi.org/10.5151/phypro-sic100-068 (www.proceedings.blucher.com.br/article-details/preparing-a-rock-sample-to-rietveld-analysis-what-is-the-best-grinding-method-14419) Palavras-chave:: ;