Li, C., Shang, Y., Cen, S., & Qian, Z. (2018). High-performance unsymmetric 3-node triangular membrane element with drilling DOFs can correctly undertake in-plane moments. Engineering Computations, 35(7), pp. 2543-2556. doi:10.1108/EC-04-2018-0200

Li, Chenfeng, Yan Shang, Song Cen, and Zheng-Hua Qian. "High-performance Unsymmetric 3-node Triangular Membrane Element With Drilling DOFs Can Correctly Undertake In-plane Moments." Engineering Computations 35, no. 7 (2018): 2543-2556.

Li, Chenfeng, Yan Shang, Song Cen, and Zheng-Hua Qian. "High-performance Unsymmetric 3-node Triangular Membrane Element With Drilling DOFs Can Correctly Undertake In-plane Moments." Engineering Computations 35.7 (2018): 2543-2556.