TY - JOUR TI - Natural radionuclides in the amazon river flood plain soils PY - 1997 AU - Ferraz, Epaminondas Sansigolo de Barros T2 - Freshwater and Estuarine Radioecology DO - 10.1016/s0166-1116(09)70107-4 UR - https://doi.org/10.1016/s0166-1116(09)70107-4 PP - Amsterdam VL - 1 SP - 293-301 ER -