N. A. Makovskaya
The Join Institute for Power and Nuclear Research – Sosny of the National Academy of Sciences of Belarus
Belarus

Natalia A. Makovskaya, Cand. Sci. (Biologics), Associate Professor, Head of the Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials

PO Box 119, 220109

T. G. Leontieva
The Join Institute for Power and Nuclear Research – Sosny of the National Academy of Sciences of Belarus
Belarus

Tatiana G. Leontieva, Senior Researcher, Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials

PO Box 119, 220109

A. A. Baklay
The Join Institute for Power and Nuclear Research – Sosny of the National Academy of Sciences of Belarus
Belarus

Anatoly A. Baklay, Senior Researcher, Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials

PO Box 119, 220109