1. L. E. Mount, The concept of thermal neutrality, in: “Heat Loss from Animals and Man,” J. L. Monteith, L. E. Mount eds., Butterworths, London (1974).
2. Y. Houdas, J. D. Guieu, Environmental factors affecting skin temperatures, in: “Thermography,” N. J. M. Aarts, M. Gautherie, E. F. J. Ring ers., Karger, Basel (1975).
3. P. 0. Fanger, “Thermal Comfort,” Danish Technical Press, Copenhagen, (1970), also: McGraw-Hill Book Co., New York 1973.
4. D. A. McIntyre, “Indoor Climate,” Applied Science Publishers, London (1980).
5. K. Cena, J. A. Clark, “Bioengineering, Thermal Physiology and Comfort,” Elsevier, Amsterdam (1981).