1. V. Olgyay, Design with Climate, Princeton University Press, Princeton, NJ, 1963.
2. T. Bedford, Environmental Warmth and its Measurement, Medical Research Council, War memorandum No. 17, HMSO, 1940.
3. Thermal discomfort in an equatorial climate;Webb;IHVE Journal,1960
4. Physiological reactions to environmental temperature;Winslow;American Journal of Physiology,1937
5. F. Nichol, M. Humphreys, O. Sykes, S. Roaf, Standards for Thermal Comfort, Indoor Temperatures for the 21st Century, E & FN Spon, London, 1995.