1. Sound reduction by barriers on the ground;Jonasson;Journal of Sound and Vibration,1972
2. Diffraction by wedges of finite acoustic impedance with applications to depressed roads;Jonasson;Journal of Sound and Vibration,1972
3. Roadside noise from the interaction of a rolling tire with the road surface;Hayden,1971
4. An experimental investigation of the attenuation produced by noise screens;Ringheim;Norway Institute of Technology, Report LBA 461,1972
5. Prediction of traffic noise levels;Delany;National Physical Laboratory, Teddington, Acoustics Report AC 56,1972