1. The technical basis of the external pressure section of BS 5500;Kendrick;Trans. ASME, J. Press. Vessel Technol.,1984
2. The buckling strength of fabricated HY80 steel spherical shells;Kiernan;U.S. Navy DTMB report 1721,1966
3. Buckling design of imperfect welded hemispherical shells subjected to external pressure;Galletly,1991
4. The buckling of torispherical shells under external pressure;Warrington,1984
5. BS 5500: Specification for Unfired Fusion Welded Pressure Vessels,1988