Isotope separation of Naa and Naaa with using light innduced drift effect / C.Hradecny,T.Tethal,I.M.Yermolayev и др., 1993. - 14 p. - Текст : непосредственный.
Radioactive isotope and isomer separation with using light induced drift effect / C.Hradecny,J.Slovak,T.Tethal и др., 1991. - 12 p. - Текст : непосредственный.