A.M. Valitov - Expert, Moscow regional branch of Fund of social insurance
M.M. Valitov - Engenier, MIREA
M.S. Valitov - Ph.D.(Eng.), MIREA. E-mail: valitovms@mail.ru
M.S. Valitova - Master, MIREA
M.A. Samoilova - Student, MIREA. E-mail: himerik@mail.ru