Simmons, D; Jobling, B; Payne, R (2004) Acoustic parameters and uncertainties associated with determining sound power level in hemi-anechoic rooms. NPL Report. DQL-AC 007
Jobling, B; Simmons, D; Payne, R (2004) Measurement uncertainties associated with sound power level determination due to source operating conditions. NPL Report. DQL-AC 006