TY JOUR TI METROLOGICAL ASPECT OF FORENSIC BALLISTICS RESEARCH IN LAW ENFORCEMENT ACTIVITIES OF POLICE OFFICERS. METHODS OF MEASURING EXPERIMENTAL BALLISTICS KW external and internal ballistics KW forensic ballistics KW metrology KW measurement verifcation KW measurement error KW kinetic energy JO Society, law, statehood: retrospective and perspective AU Daminov, A.A. PY 2022 IS 2022 PB Ufa Law Institute of the Ministry of Internal Affairs of Russia