1. Notice of Intent to Establish Threshold Limit Values for Chemical Substances and Physical Agents in the Workroom Environment with Intended Changes for 1973;American Conference of Governmental Industrial Hygienists (ACGHI),1973
2. Threshold Limit Values and Biological Exposure Indices for 1993–1994;American Conference of Governmental Industrial Hygienists (ACGIH),1993
3. Heat and Cooling of Man in Industry;American Industrial Hygiene Association (AIHA),1975
4. Index for evaluating heat stress in terms of resulting physiological strain;Belding;Heating, Piping and Air Conditioning,1955
5. Estimation of work metabolism using qualitative job descriptors;Bernard;American Industrial Hygiene Association Journal,1994