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

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

PO Box 119, 220109, Minsk

T. G. Leontieva
Joint Institute for Power and Nuclear Research – Sosny of the National of the 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, Minsk

A. A. Baklay
Joint Institute for Power and Nuclear Research – Sosny of the National of the 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, Minsk

D. A. Kuzmuk
Joint Institute for Power and Nuclear Research – Sosny of the National of the Academy of Sciences of Belarus
Belarus

Darya A. Kuzmuk – Junior Researcher, Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials

PO Box 119, 220109, Minsk