1. ISO-EN 7730, Moderate thermal environments—determination of the PMV and PPD indices and specification of the conditions for thermal comfort, International Standards Organisation, Geneva, 1995.
2. ASHRAE standard 55-1992, Thermal environmental conditions for human occupancy, American Society for Heating Refrigerating and Air conditioning Engineers Inc., Atlanta, GA, 1992.
3. ISO 7726, Ergonomics of the thermal environment—instruments for measuring physical quantities, ISO, Geneva, 1998.
4. ISO 8996, Ergonomics of thermal environments—determination of metabolic heat production, ISO, Geneva, 1989.
5. ISO 9920, Ergonomics—estimation of the thermal characteristics of a clothing ensemble, International Standards Organisation, Geneva, 1993.