protactinium-231Protactinium-231 – new burnable neutron absorber 10/02/2017 2017 - #03 Fuel cycle and nuclear waste management Kulikov G.G. Kulikov E.G. Shmelev A.N. Apse V.A.Fuel cycle of Russian nuclear power with involvement of thorium resources and thermonuclear neutron source with Th-blanket 3/28/2016 2016 - #01 Fuel cycle and nuclear waste management Kulikov G.G. Shmelev A.N. Geraskin N.I. Kulikov E.G. Apse V.A.