1. and , ‘3-9 node isoparametric planar or axisymmetric finite element’, Report No 78-3, Div. of Struct. Engr. and Struct. Mech., Univ. of California, Berkeley (1977).
2. On isoparametricvs linear strain triangular elements
3. ‘The effect of geometric shape on two-dimensional finite elements’, CAFEM 6, Proc. 6th Int. Seminar on Computational Aspects of the FEM, Paris, 1981.
4. Improved numerical integration of thick shell finite elements