1. Runde Durchbrüche in Biegeträgern aus Brettschichtholz Teil 2: Tragfähigkeit und Bemessung;Aicher;Bautechnik,2007
2. Ardalany M, Deam B, Fragiacomo M. Numerical investigation of the load carrying capacity of Laminated Veneer Lumber (LVL) joists with holes. In: 11th World conference on timber engineering 2010. Vol. 1. 2010, p. 690–9.
3. The strength of glulam beams with holes: A survey of tests and calculation methods;Danielsson,2007
4. Strength of end-notched wood beams: A critical fillet hoop stress approach;Foliente;Wood Fiber Sci,1992
5. A study of the elastic stresses around holes in A wide-flange beam with A concentrated load;Lee,1969