1. ASHRAE. 1972. ASHRAE Handbook of Fundamentals. Design Heat Transmission Coefficients. 357–60. Peachtree Corners, GA, USA: American Society of Heating, Refrigerating and Air Conditioning Engineers. Chapter 20.
2. ASHRAE. 2021. ASHRAE Handbook of Fundamentals. Heat, Air, and Moisture Control in Building Assemblies-Material Properties. 26.14–26.15. Peachtree Corners, GA, USA: American Society of Heating, Refrigerating and Air Conditioning Engineers. Chapter 26.
3. ASTM. 1953. ASTM C236: Test method for thermal conductance and transmittance of built-up sections by means of a guarded hot box. West Conshohocken, PA, USA: American Society for Testing and Materials.
4. Contamination of reflective foils in horizontal applications and the effect on thermal performance;Cook J. C.;ASHRAE Transactions,1989
5. ISO 6946. 2017. Building Components and Building elements-Thermal Resistance and Thermal transmittance-Calculation methods. Vernier, Geneva, Switzerland: Annex D-Thermal Resistance of Airspaces.