A.V. Pento – Ph.D.(Phys.-Math.), Senior Research Scientist,
GPI RAS (Moscow)
E-mail: pentan@mail.ru
I.I. Kuzmin – Junior Research Scientist,
Vernadsky Institute of Geochemistry and Analytical Chemistry (Moscow)
E-mail: kuzmin.ilya.92@gmail.com
A.R. Mukhamatnurova – Post-graduate Student,
National Research Nuclear University «MEPhI» (Moscow)
E-mail: alisson94@mail.ru