1. IAM Rep no. 422;MF Alnutt,1967
2. American Society of Heating and Ventilating Engineers Guide 1950
3. Azer NZ, Menall PF, Liery HC (1972) Effects of heat-stress on performance. Ergonomics 15:681–691
4. Bean WB, Gichna LW (1943) Performance in relation to environmental temperature. Fed Proc 2:144–158
5. Bell CR, Provins KA (1962) Effects of high temperature environmental conditions on human performance. J Occup Med 4:202–211