TY JOUR TI Technical and Economic Assessment of Protection Methods against Noise (as exemplified by the Noise of Refinery Furnaces’ Burner Units) KW noise-protective methods KW burner units KW sound pressure level KW extremum KW general expenses KW economic effect KW technical and economic analysis KW Lagrange method. JO Safety in Technosphere AU Katin, V.D. AU Kosygin, V.. PY 2013 IS 2 PB INFRA-M Academic Publishing LLC.