1. EN 1993-3-1: Design of steel structures - Part 3-1: Towers, musts and chimneys. Tower and musts, Brussels, Comité Européen de Normalisation (CEN), 2005.
2. EN 1993-1-1: Design of steel structures - Part 1-1: General rules and rules for buildings, Brussels, Comité Européen de Normalisation (CEN), 2005.
3. EN 1993-1-8: Design of steel structures - Part 1-8: Design of joints, Brussels, Comité Européen de Normalisation (CEN), 2005.
4. EN 50341-1: Overhead electrical lines exceeding AC 1 kV - Part 1: General requirements - Common specifications, 2012.
5. EN 1990: Eurocode - Basis of structural design, Brussels, Comité Européen de Normalisation (CEN), 2005.