References
- State of California, Department of Industrial Relations, Division of Industrial Safety: General Industry Safety Orders, 1963
- Cohen , A. 1963 . Damage Risk Criteria for Noise Exposure: Aspects of Acceptability and Validity . Amer Industr Hyg Assoc J , 24 : 227
- Glorig , A. , Ward , W.D. and Nixon , J.C. 1961 . Damage Risk Criteria and Noise-Induced Hearing Loss . Arch Otolaryng , 74 : 413
- La Benz , P. , Cohen , A. and Pearson , B. 1967 . A Noise and Hearing Survey of Earth-Moving Equipment Operators . Amer Industr Hyg Assoc J , 28 : 117
- Threshold Limit Values for 1966, American Government Industrial Hygienists
- Schuknecht , G.G. 1956 . Ventilating Units Provide More Safety . Eng Mining J , 157 : 92