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

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

PO Box 119, 220109, Minsk 

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

Tatiana G. Leontieva – Head of the Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials 

PO Box 119, 220109, Minsk 

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

Natalia A. Makovskaya – Cand. Sci. (Biology), Associate Professor, Scientific Secretary 

PO Box 119, 220109, Minsk 

A. S. Onischuk
The Joint Institute for Power and Nuclear Research – Sosny of the National of the Academy of Sciences of Belarus
Russian Federation

Anna S. Onischuk – Junior Researcher, Laboratory for Radiochemical Research of Natural Environments and Examination of Radioactive Materials  

PO Box 119, 220109, Minsk