1. Energy performance of glazings and windows;Nielsen;Solar Energy,2000
2. prEN12412-1. Windows and doors — thermal transmittance — calibrated and guarded hot box method.
3. ISO/DIS12567. Thermal performance of doors and windows — determination of thermal transmittance by hot box method. Final draft version, July 1998.
4. EN410. Glass in building — determination of luminous and solar characteristics of glazing, April 1998.
5. EN673. Glass in building — determination of thermal transmittance (U value) calculation method, November 1997.