RUDN Journal of Engineering ResearchRUDN Journal of Engineering Research2312-81432312-8151Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)5031Trebovaniya k stat'yam v zhurnal «VESTNIK RUDN».seriya «Inzhenernye issledovaniya»---15022011215315407092016Copyright © 2011,2011