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2. Galletly, G. D., Aylward, R. W.: Buckling under External Pressure of Cylinders with either Torispherical or Hemispherical End Closures. Pres. Ves. and Piping, V. 1, April 1973, pp. 139?154 (originally presented at I. Mech. E. Symposium on Vessels Under Buckling Conditions, London, Dec. 1972)
3. Aylward, R. W., Galletly, G. D., Moffat, D. G.: Elastic Stability of Cylinder-Torisphere Combinations Under External Pressure ? Some Experimental/Theoretical Correlations. 2nd Inter. Conf. On Press. Vess. Technology, San Antonio, Texas, U.S.A., Paper I ? 5, pp. 61?66, Oct. 1973
4. Aylward, R. W., Galletly, G. D., Moffat, D. G.: Buckling Under External Pressure of Cylinders with Toriconical or Pierced Torispherical Ends ? A Comparison of Experiment and Theory. To be published
5. Lee, L. H. N.: Inelastic Asymmetric Buckling of Ring-Stiffened Cylindrical Shells Under External Pressure. 2nd Inter. SM: RT (Struct. Mech. in React. Tech.) Conf., W. Berlin, Germany, Paper L6/6, pp. 1?14, Sept. 1973