VALLEBUONA, G.; NIEDBALSKI, F. Minerals sampling: sensibility analysis and correction factors for Pierre Gy’s equation. Revista de Metalurgia, [S. l.], v. 41, n. 1, p. 28–37, 2005. DOI: 10.3989/revmetalm.2005.v41.i1.183. Disponível em: https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/183. Acesso em: 25 apr. 2024.