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- Silva, L.S. et al.: Design of steel structures, 2010 ISBN (ECCS) 978-92-9147-098-3, ISBN (Ernst & Sohn) 978-3-433-02973-2.
- www.access-steel.com
- Eurocode 5: Design of timber structures. Part 1-1: General – Common rules and rules for buildings, Brussels, 2008.