TY JOUR TI Noise of petrol engine with air cooling system and methods of its decrease KW structural noise KW combustion process noise KW noise from piston strokes about the cylinder KW vibroacoustic conductivity KW admissible level of sound power KW noise suppression KW offsetting KW vibrodamping. JO Safety in Technosphere AU Tupov, V.V. PY 2012 IS 1 PB INFRA-M Academic Publishing LLC.