1. W. Flügge: Statik und Dynamik der Schalen, 2nd ed., Berlin 1957;
2. S. Tluoshenko, S. Worzrowsky-Krieger: Theory of Plates and Shells, 2nd ed., New York 1959, pp. 429–568;
3. K. Girkmann: Flächentragwerke, 5th ed., Wien 1959, pp. 352–582;
4. R. L’hermite: Résistance des Matériaux, vol. 1: Théorie de l’Elasticité et des Structures Elastiques, Paris 1954, pp. 616–831;
5. V. Z. Vlasov: General Theory of Shells (in Russian ), Moscow 1949