1. Design of Steel Structures – Part 1-1: General Structural Rules – National Comments and National Supplements;ÖNORM B 1993-1-1,2007
2. Eurocode 3: Design of Steel Structures – Part 1-1: General Rules and Rules for Buildings;EN 1993-1-1,2005
3. Steel Structures – Part 2: Stability – Buckling of Bars and Skeletal Structures;DIN 18800-2,2008
4. Overhead Electrical Lines Exceeding AC 45kV – Part 1: General Requirements – Common Specifications;EN 50341-1,2001
5. Eurocode 3: Design of Steel Structures – Part 3–1: Towers, Masts and Chimneys – Towers and Masts;EN 1993-3-1,2006