1. Impact noise testing and rating;Bolt Beranek and Newman, Inc.;Report no. 2668,1974
2. A review of impact noise;Akay;J. Acoust. Soc. Am.,1978
3. The sound insulation of wood joist floors in timber frame construction;Utley;Appl. Acoust.,1978
4. Sound insulation materials, expanded polystyrene;Shears;Insulation,1972
5. Sound insulation and noise reduction;British Standards Institution;British Standard Code of Practice, CP3,1972