1. Costs of worker's compensation claims for hearing loss;Allayne;Journal of Occupational Medicine,1989
2. Noise Pollution: The Unquiet Crisis;Bragdon,1971
3. The social noise phenomenon. Newsnotes;Calvert,1983
4. Department of Labor Occupational Noise Exposure Standard. Code of Federal Regulations, Title 29;DOL,1989
5. Sound levels, hearing habits and hazards of using portable cassette players;Hellstrom;Journal of Sound and Vibration,1988