1. ABAQUS Analysis User's Manual;ABAQUS,2011
2. Infinite domain element;Beer;International Journal for Numerical Methods in Engineering,1981
3. Infinite elements;Bettess;International Journal for Numerical Methods in Engineering,1977
4. More on infinite elements;Bettess;International Journal for Numerical Methods in Engineering,1980
5. Diffraction and refraction of surface waves using finite and infinite elements;Bettess;International Journal for Numerical Methods in Engineering,1977