1. editors. 2000. Guides to the evaluation of permanent impairment. 5th edition. Chicago, IL: American Medical Association. pp 246-251.
2. 2002. Increased reporting of occupational hearing loss: Workers' compensation in Washington State, 1984-1998. Am J Ind Med (in press).
3. DLI (Department of Labor & Industries, Washington State). 1999. Ch. IV. Inspection documentation; Section B.3.c. Violations of the noise standard. In: WISHA compliance manual. Olympia, WA: DLI. pp IV-33, 34.
4. 1997. Otologic referral criteria for occupational hearing conservation programs. Alexandria, VA: American Academy of Otolaryngology-Head and Neck Surgery Foundation, Inc.
5. 1989. Dangerous premises: An insider's view of OSHA enforcement. Ithaca, NY: ILR Press.