Dammak, F. ., S. . Abid, A. . Gakwaya, and G. . Dhatt. “A Formulation of the Non Linear Discrete Kirchhoff Quadrilateral Shell Element With Finite Rotations and Enhanced Strains”. European Journal of Computational Mechanics, vol. 14, no. 1, June 2005, pp. 7-31, https://journals.riverpublishers.com/index.php/EJCM/article/view/2249.