1. Snijder , H.H. Lucrările celei de-a XIV-a Conferinţe Naţională de Construcţii Metalice (Proceedings of the 14th national conference on metal structures) 2015
2. EN 1993-1-12 Eurocode 3: Design of steel structures- part 1-12: Additional rules and rules for the extension of EN 1993 up to steel grades S700 2011
3. Kouhi J Larsen PK Ongelin P Amendment scope with respect to material thickness 2013
4. EN 10210 Hot finished structural hollow sections of non-alloy and fine grain steels