1. LAMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS , 1973 , Threshold limit values for chemical substances and physical agents in the workroom environment with intended changes for 1973. American Conferences of Governmental Industrial Hygienists , Cincinnati , Ohio .
2. A comprehensive comparison between WBGT and Botsball
3. A Wet Globe Thermometer for Environmental Heat Measurement
4. BOTSFORD , J. H. , 1976 , Application of the Botsball thermometer. American Industrial Hygiene Association Conference , Atlanta , Georgia .
5. The prediction of WBGT from the Botsball