[1]
Vidal Pérez, D. et al. 1998. Total concentration of uranium and thorium in some Brazilian soils. Pesquisa Agropecuaria Brasileira. 33, 8 (Aug. 1998), 1417–1423. DOI:https://doi.org/10.1590/S1678-3921.pab1998.v33.4948.