MacNeal, R.H., and Harder, R.L., (1988), A Refined Four-noded Membrane Element with Rotational Degrees of Freedom, Computers & Structures, Vol. 28, No.1, pp. 75-84
Ibrahimbegovic, A., Taylor, R. L., and Wilson, E. L., (1990), A Robust Quadrilateral membrane Finite Element with Drilling Degrees of Freedom, International Journal for Numerical Methods in Engineering, Vol. 30, 445-457
Ibrahimbegovic, A. and Wilson, E. L., (1991), "A Unified Formulation for Triangular and Quadrilateral Flat Shell Finite Elements with Six Nodal Degrees of Freedom", Communications in Applied Numerical Methods, Vol. 7, 1-9
Park and Paulay, John Wiley, (1975) Reinforced Concrete Structures
Ferguson, John Wiley, (1979) "Reinforced Concrete Fundamentals, 4th ed."
Ghali, A. and Neville, A.M., (1989) Structural Analysis: A Unified Classical and Matrix Approach, Chapman and Hall, London.
Long, C.S, and Groenwold, A. A., (2004), Reduced Modified Quadratures for Quadratic Membrane Finite Elements, International Journal of Numerical Methods in Engineering, 31:837-855
Taylor, R.L, (1987), Finite Element Analysis of Linear Shell Problems, Proceedings The Mathematics of Finite Elements and Applications, Academic Press, New York, pp.211-22
