O.V. Drozd – Post-graduate Student, Siberian Federal University (Krasnoyarsk)
E-mail: odrozd@sfu-kras.ru

N.S. Kolobanova – Master Student, Siberian Federal University (Krasnoyarsk)
D.V. Kapulin – Ph.D. (Eng.), Head of Department, Siberian Federal University (Krasnoyarsk)