منابع مورد استفاده:

FRANZ, R.M. and PHILLIPS, J.I. Noise and Vibration. (In: Guild, R., Erlich, R.I., Johnston, J.R., and Ross, M.H. eds. Handbook of Occupational Health Practice in the South African Mining Industry. Johannesburg: The Safety in Mines Research Advisory Committee). 2001
ISO 4869-1: 1990. Acoustics—Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation. Geneva: International Organization for standardization
ISO 4869-2: 1994. Acoustics—Hearing protectors—Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn. Geneva: International Organization for standardization
ISO/TR 4869-3: 1989. Acoustics—Hearing protectors— Part 3: Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes. Geneva: International Organization for standardization

ISO/TR 4869-4: 1998. Acoustics—Hearing protectors— Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration earmuffs. Geneva: International Organization for standardization

MHSA 1996. Mine Health and Safety Act, Act 29 of 1996. Pretoria: South African Government Printer. SABS 083: 1996. third revision. The measurement and assessment of occupational noise for hearing conservation purposes. Pretoria: South African Bureau of Standards
SABS 1451-1: 1988. Standard Specification for: Hearing protectors, Part 1: Ear-muffs. Pretoria: South African Bureau of Standards

SABS 1451-2: 1988. Standard Specification for: Hearing protectors, Part 2: Ear-plugs. Pretoria: South African Bureau of Standards
SABS 1451I-3: 1998. Standard Specification for: Hearing protectors, Part 3: Ear-muffs attached to a safety helmet. Pretoria: South African Bureau of Standards
R.M. FRANZ Hearing conservation: Enhancing the effectiveness of a personal protection strategy, CSIR Division of Mining Technology, 2003
Julia and Larry Royster, Sydney Cheryl Sutton. A Guide to Developing and Maintaining an Effective Hearing Conservation Program, N.C. Department of Labor Division of Occupational Safety and Health, 2002-2003
Sound Advice: A Guide to Hearing Loss Prevention Program, Work Safe BC, 2006
Preventing Noise-induced Occupational Hearing Loss, American Academy of Audiology: October 2003
Criteria for a Recommended Standard, Occupational Noise Eexposure, NIOSH, 1998
Guide to Best Practice for the Implementation and Management of Mine Hearing Conservation Programmes, Safety in Mines Research Advisory Committee, 2005