1. S. Aicher, P.J. Gustafsson, P. Haller, H. Petersson, Fracture mechanics models for strength analysis of timber beams with a hole or a notch - A report of RILEM TC-133. Technical Report. Lund University. Lundo and Espoo, 2002.
2. R-curve on fracture criteria for mixed-mode in crack propagation in quasi-brittle material: application for wood;Anh;Procedia Materials Science,2014
3. AS 1720.1-1997, Timber structures – design methods, Timber Structures: Design Methods (1997).
4. Fracture and Size Effect in Concrete and Other Quasibrittle Materials;Bazant,1997
5. H.J. Blaß, Erläuterungen zu DIN 1052: 2004-08: Entwurf, Berechnung und Bemessung von Holzbauwerken. DGfH, 2004.