Valter A.A. Institute of Applied Physics, National Academy of Science of UkrainePossibility of the Usage of the Lead Enriched with the Isotope Lead-208 from Thorium Ores and Minerals for Nuclear Energy Needs 7/14/2012 2012 - #02 Physics and technology of nuclear reactors Khorasanov G.L. Blokhin A.I. Valter A.A.