1. Pepper D. W. , Heinrich Juan C. , The Finite Element Method, Taylor & Francis (UK), 1992 .
2. Huebner Kenneth H. (EDT), Byrom Ted G. , Dewhirst Donald L. , Smith Douglas E. , The Finite Element Method for Engineers, Willey- IEEE, 2001 .
3. Chen Zhangxin, Finite Element Method and Their Applications, Springer, 2005 .