Glass in building - Determination of thermal transmittance (U value) - Calculation method (including Amendment A1:2000 + Amendment A2:2002); German version EN 673:1997 + A1:2000 + A2:2002— 18 стр.
Thermal performance of building - Calculation of energy use for heating - Residential buildings (includes Corrigenda AC:2002); German version EN 832:1998 + AC:2002— 65 стр.