1. A numerical method of visco-elastic stress analysis;Zienkiewicz;Int. J. Mech. Sci,1968
2. Finite elements in linear viscoelastic analysis;White,1968
3. Thermomechanical analysis of viscoelastic solids;Taylor;International Journal for Numerical Methods in Engineering,1970
4. The Finite Element Method in Engineering Science;Zienkiewicz,1971
5. The Finite Element Method;Zienkiewicz,1991