TY - JOUR T1 - Naturally-Occurring Radioactive Materials at water treatment plant on the Poços de Caldas Plateau Region, Brazil JO - Engenharia Sanitaria e Ambiental A1 - Ferreira, Adriano Mota A1 - Fukuma, Henrique Takuji A1 - Moura, Rafael Brito de A1 - Silveira, Alexandre A1 - Tiezzi, Rafael Oliveira A1 - Villegas, Raul Alberto Sodré SN - 1413-4152 UL - 10.1590/S1413-415220200044 VL - 27 Y1 - 2022 PB - Brasil ER -