I.N. Vorfolomeev - Staff, Academy of Federal Security Guard Service of the Russian Federation (Orel)
I.N. Molchanov - Ph.D. (Eng.), Staff, Academy of Federal Security Guard Service of the Russian Federation (Orel)
S.V. Ovsyankin - Ph.D. (Eng.), Staff, Academy of Federal Security Guard Service of the Russian Federation (Orel)
E-mail: interleaver@mail.ru
V.O. Yudin - Staff, Academy of Federal Security Guard Service of the Russian Federation (Orel)
1–4 The Academy of the Federal Guard Service of the Russian Federation Russia (Orel, Russia)
1 shishkin_nv@mail.ru, 2 yurlov@bk.ru, 3 zorro_42@rambler.ru, 4 attitudehxc@gmail.com