1. Thin-walled elastic beams;Vlasov,1961
2. Theorv of elastic stability;Timoshenko,1961
3. An introduction to the elastic stability of structures;Simitses,1976
4. Effect of curvature on stability of curved beams;Yang;J. Struct. Engng, ASCE,1987
5. Flexural-torsional buckling of arches;Papangelis;J. Struct. Engng, ASCE,1987