An Assessment of Hybrid-Mixed Four-Node Shell Elements.
U. Andelfinger, and E. Ramm. 'Nonlinear Analysis of Shells by Finite Elements' (ed. F.G. Rammerstorfer), Int. Centre of Mechanical Sciences (CISM), Udine, Italy, June 1991, Lectures No. 328, Springer., (1992)
'Nonlinear Analysis of Shells by Finite Elements' (ed. F.G. Rammerstorfer), Int. Centre of Mechanical Sciences (CISM), Udine, Italy, June 1991, Lectures No. 328, Springer.