1. A simplified method for elastic large deflection analysis of plates and stiffened panels due to local buckling;Byklum;Thin-Walled Structures,2002
2. PULS 1.5 theory manual,2003
3. Nonlinear buckling analysis and ultimate strength prediction of stiffened steel and aluminium panels;Byklum,2002
4. Nonlinear theory of elastic stability;Huseyin,1975
5. Steen E. Application of the perturbation method to plate buckling problems. Research report in mechanics 98-1, University of Oslo, 1998.