@article{TUW-179318, author = {K{\"u}chler, Sebastian and Meurer, Thomas and Jacobs, L.J. and Qu, J.}, title = {Two-dimensional wave propagation in an elastic half-space with quadratic nonlinearity - a numerical study}, journal = {Journal of the Acoustical Society of America}, year = {2009}, volume = {125}, number = {3}, pages = {1293--1301}, doi = {10.1121/1.3075597} }