1. EN 50341-1:2001: Overhead electrical lines exceeding AC 45 kV - Part 1: General requirements - Common specifications
2. EN 1993-1-1:2010, Eurocode 3: Design of steel structures - Part 1-1: General rules and rules for buildings
3. Bijlaard , F. S. K. Gresnigt , A. M. van Es , S. H. J. Bending resistance of steel tubes in combiwalls (COMBITUBE). Final report, Research Fund for Coal & Steel Publications Office Luxembourg 2016
4. Verbesserte Bemessungsregeln für Stäbe mit Klasse 3-Querschnitt (Improved design rules for beam-columns with class 3 cross-section);Lechner;Stahlbau,2012
5. EN 1993-1-5: 2010, Eurocode 3: Design of steel structures - Part 1-5: Plated structural elements