1. A practical scheme for predicting noise levels (L10) arising from road traffic;Delany;NPL Acoustics Report 57,1972
2. Acoustics, noise and buildings;Parkin,1969
3. Designing against noise from road traffic;Scholes;Building Research Station Bulletin CP 20/71,1971
4. Motorway noise and dwellings,1971
5. Traffic noise—major urban roads,1970