1. J.L. Sanders, An improved first approximation theory of thin shells, NASA TR-R24, Washington, DC, 1959.
2. Stresses in Shells;Flügge,1960
3. Thin Shell Theory;Novozhilov,1964
4. V.Z. Vlasov, General theory of shells and its application in engineering, NASA TTF-99, Washington, DC, 1964.
5. Thin Elastic Shells;Kraus,1967