1. Gallagher, R. H.: The Finite Element Method in Shell Stability Analysis. Computers and Structures 3, 543–557 (1973).
2. Harvey, J. W.; Kelsey, S.: Triangular Plate Bending Element with Enforced Compatibility. AIAA J. 9, No. 6, 1023–1026 (1971).
3. Thomas, G. R.; Gallagher, R. H.: A Triangular Thin Shell Finite Element: Linear Analysis. NASA CR 2482 (1975).
4. Thomas, G. R.; Gallagher, R. H.: A Triangular Thin Shell Finite Element: Nonlinear Analysis. NASA CR 2483 (1975).
5. Wilson, E. L. et al.: Incompatible Displacement Models. In: Numerical and Computer Methods in Structural Mechanics. New York: Academic Press 1973, pp. 43–57.