Anderson, G. Brooke; Bell, Michelle L.; Peng, Roger D. (2013). "Methods to Calculate the Heat Index as an Exposure Metric in Environmental Health Research". Environmental Health Perspectives. Quyển 121 số 10. tr. 1111–1119. doi:10.1289/ehp.1206273. PMC3801457. PMID23934704.
Anderson, G. Brooke; Bell, Michelle L.; Peng, Roger D. (2013). "Methods to Calculate the Heat Index as an Exposure Metric in Environmental Health Research". Environmental Health Perspectives. Quyển 121 số 10. tr. 1111–1119. doi:10.1289/ehp.1206273. PMC3801457. PMID23934704.
Anderson, G. Brooke; Bell, Michelle L.; Peng, Roger D. (2013). "Methods to Calculate the Heat Index as an Exposure Metric in Environmental Health Research". Environmental Health Perspectives. Quyển 121 số 10. tr. 1111–1119. doi:10.1289/ehp.1206273. PMC3801457. PMID23934704.