References
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- Canon of Ethics for Engineers, The Engineers Council for Professional Development New York, New York
- Proceedings of the President's Conference on Occupational Safety, Bulletin 175 . U.S. Department of Labor, U.S. Government Printing Office .
- Baron , J. L. and Henderson , J. M. 1952 . Public Health Engineers Bookshelf. . Am. J. Pub. Health , 42 : 4 353 – 363 .
- . Report of the Committee on Threshold Limits of the American Conference of Governmental Industrial Hygienists .