![228Ra and 226Ra in coastal seawater samples from the Ubatuba region: Brazilian southeastern coastal region]()
228Ra and 226Ra in coastal seawater samples from the Ubatuba region: Brazilian southeastern coastal regionGodoy, José Marcus; Carvalho, Zenildo Lara de; Fernandes, Flávio da Costa; Danelon, Olga M.; Godoy, Maria Luiza D. P.; Ferreira, Ana Cristina M.; Roldão, Luiz Alfredo · Journal of the Brazilian Chemical Society · 2006