1. Kim, K. D., Liu, G. Z. & Han, S. C. (2005). A resultant 8-node solid-shell element for geometrically nonlinear analysis. Computational Mechanics, 35(5), 315–331.
2. Liu, Y. H., & Peng, Y. J. (2011). Base force element method (BFEM) on complementary energy principle for linear elasticity problem. Science China-Physics, Mechanics & Astronomy, 54(11), 2025–2032.
3. Liu, Y. H., Peng, Y. J., Zhang, L. J., & Guo, Q. (2013). A 4-mid-node plane model of base force element method on complementary energy principle. Mathematical Problems in Engineering, 2013, 1–8.
4. Peng, Y. J., Bai, Y. Q., & Guo, Q. (2017). Analysis of plane frame structure using base force element method. Structural Engineering and Mechanics, 62(4), 11–20.
5. Santos, H. A. F. A., & de Almeida, J. P. M. (2010). Equilibrium-based finite element formulation for the geometrically exact analysis of planar framed structures. Journal of Engineering Mechanics, 136(12), 1474–1490.