TY JOUR TI MEANS OF CELLULAR COMMUNICATION AS SOURCE OF forensically SIGNIFICANT INFORMATION KW means of cellular communication KW forensically significant information KW material evidence KW investigation of crimes KW trace picture JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU Gribunov, O.P. PY 2017 IS PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation