1. Watts, G.W., Burrows, W.R.: The basic elastic theory of vessel heads under internal pressure . Trans. ASME, J. Appl. Mech. 55 (1949)
2. Galletly, G.D.: Bending of 2:1 and 3:1 open-crown ellipsoidal shells. Weld. Res. Counc. Bull. 54 (1959)
3. Kraus, H., Bilodeau, G.G., Langer, B. F.: Stresses in thin-walled pressure vessels with ellipsoidal heads. Trans. ASME 83(2)(1), 29–42 (1961)
4. Kraus, H.: Elastic stresses in pressure vessel heads. Weld. Res. Counc. Bull. 129 (1968)
5. Shield, R.J., Drucker, D.C.: Limit strength of thin–walled pressure vessels with an ASME Standard torispherical head. In: Proceedings of 3rd U.S. National Congress for Applied Mechanics, ASME, pp. 665–672 (1958)