1. The finite element method: a practical course;Liu,2003
2. The finite element method;Zienkiewicz,2000
3. The finite element method: linear static and dynamic finite element analysis;Hughes,1987
4. Equivalence of finite elements for nearly incompressible elasticity;Hughes;Aeries E-journal of Applied Mechanics,1981
5. Meshfree methods: moving beyond the finite element method;Liu,2009