V.E. Drach - Ph. D. (Eng.), Associate Professor, EIU1-KF, Kaluga branch of the Bauman MSTU. E-mail: drach@kaluga.org
A.V. Rodionov - Ph. D. (Eng.), Associate Professor, EIU2-KF, Kaluga branch of the Bauman MSTU. E-mail: andviro@gmail.com