1. Imperfection-sensitivity of externally pressurized spherical shells;Hutchinson;J. Appl. Mech.,1967
2. Buckling design of imperfect welded hemispherical shells subjected to external pressure;Galletly,1991
3. Buckling of spherical cargo tanks for liquid natural gas;Pedersen;R. Instn Naval Archit. Trans.,1976
4. Buckling design in ship structures;Røren,1976