1. Theory of timber connections. International association of bridge and structural engineering;Johansen;Bern,1949
2. Mechanical properties of self-tapping screws and nails in wood;Hansen;Can J Civ Eng,2002
3. RinghoferA., Brandner R, Schickhofer G. A universal approach for withdrawal properties of self-tapping screws in solid timber and laminated timber products. In: Proceedings of the 2nd International Network on Timber Engineering Research (INTER 2015), Sibenik (Croatia), paper INTER/48-7-1 (USB drive); 2015.
4. Design of timber structures – Part 1–1: general – common rules and rules for buildings;EN 1995-1-1,1995