GOST 30457.3-2006 Acoustics. Determination of sound power levels of noise sources using sound intensity. Part 3. Precision method for measurement by scanning
GOST 17168-1982 Filters electrical octave and third-octave. General technical requirements and methods of testing
GOST 17187-1981 Sound level meters. General technical requirementsand methods of testing
GOST 30457.3-2006 history
2006GOST 30457.3-2006 Acoustics. Determination of sound power levels of noise sources using sound intensity. Part 3. Precision method for measurement by scanning