Figueiredo AMG, Marques LS. DETERMINATION OF RARE EARTHS AND OTHER TRACE ELEMENTS IN THE BRAZlLIAN GEOLOGICAL STANDARDS BB-1 AND GB-1 BV NEUTRON ACTIVATION ANALYSIS. Geochim. Bras. [Internet]. 2011 Jul. 26 [cited 2024 Nov. 24];3(1):1-8. Available from: https://geobrasiliensis.org.br/geobrasiliensis/article/view/19