1. Buckling of low arches or curved beams of small curvature;Fung;NACA tech. Note,1952
2. Dynamic analysis of the buckling of laterally loaded flat arches;Hoff;J. Math. Phys.,1953
3. Energy criterion and snap buckling of arches;Gjelsvik;J. Engng Mech. Div. Am. Soc. civ. Engrs,1962
4. Buckling of shallow arches;Schreyer;J. Engng Mech. Div. Am. Soc. civ. Engrs,1966
5. The snapping of a shallow sinusoidal arch under a step pressure load;Lock;AIAA Jnl,1966