3.Solar energy-Reference solar spectral irradiance at the ground at different receiving conditions-Part1: Direct normal and hemispherical solar irradiance for air mass 1.5 1992 (E)[].ISO -: (E).1992
4Glass in building-Determination of light transmittance,solar direct transmittance,total solar en-ergy transmittance,ultraviolet transmittance and related glaz-ing factors. ISO9050-2003 .
5.Thermal performance of windows,doors and shading devices–Detailed calculations[].ISO.2003
6.Thermal performance of curtain walling-Calculation of thermal transmittance[].EN:.
7.Thermal performance of windows,doors and shutters-Calculation of thermal transmittance-Part2:Numerical method for frames[].ISO-:.
