ASA S12.53/1-1999 Acoustics - Determination of Sound Power Levels of Noise Sources - Engineering Methods for Small, Movable Sources in Reverberant Fields - Part 1: Comparison Method for Hard-Walled Test Rooms ANSI S12.53/1-1999; ISO 3743-1: 1994
1999ASA S12.53/1-1999 Acoustics - Determination of Sound Power Levels of Noise Sources - Engineering Methods for Small, Movable Sources in Reverberant Fields - Part 1: Comparison Method for Hard-Walled Test Rooms ANSI S12.53/1-1999; ISO 3743-1: 1994