1. DIN EN 1995-1-1:2010-12: Eurocode 5: design of timber structures – part 1-1: general – common rules and rules for buildings; German version EN 1995-1-1:2004 + AC:2006 + A1:2008. Beuth-Verlag, Berlin; 2010.
2. DIN EN 1995-1-1/NA:2010-12: National annex – nationally determined parameters – Eurocode 5: design of timber structures – part 1-1: general – common rules and rules for buildings. Beuth-Verlag, Berlin; 2010.
3. DIN EN 338: 2010-02: Structural timber – strength classes; German version EN 338:2009. Beuth-Verlag, Berlin; 2010.
4. DIN EN 408:2010-12: Timber structures – structural timber and glued laminated timber – determination of some physical and mechanical properties; German version EN 408:2010+A1:2012. Beuth-Verlag, Berlin; 2012.
5. DIN 52 182: Testing of wood; determination of density. Beuth-Verlag, Berlin; 1976.