Speciation of plutonium and americium in the soils affected by Kraton-3 accidental underground nuclear explosion in Yakutia (Russia) - Novikov, Alexander P.; Goryachenkova, Tatyana A.; Sobakin, Petr I.; Kazinskaya, Irina E.; Ryleeva, Valeria S. (Journal of Radioanalytical and Nuclear Chemistry, 2015)