1. Effects of sound leakage through noise barriers on screening performance;Watts;Proc Sixth Int Congress Sound Vibrat,1999
2. In situ method for determining the transmission loss of noise barriers;Watts;Appl Acoust,1997
3. International Organisation for Standardisation. ISO 140-3: Acoustics – Measurement of sound insulation in buildings and of building elements – Part 3: Laboratory measurements of airborne sound insulation of building elements. ISO, Geneva. 1995.
4. European Commission. Test methods for the acoustic performance of road traffic noise reducing devices, SMT Project MAT1CT94049 Adrienne. Final report 1-95/12-97, 1998.
5. European methodology for testing the airborne sound insulation characteristics of noise barriers in situ: Experimental verification and comparison with laboratory data;Garai;J Acoust Soc Am,2000