@inproceedings{Wunderlich1991e, editor = {E. Onate, J. Periaux, A. Samuelsson}, author = {Wunderlich, W., Cramer, H.}, title = {A unified approach to the dynamic analysis of soils as mulitphase media}, booktitle = {The finite element method in the 1990's}, year = {1991}, publisher = {Springer-Verlag}, organization = {CIMNE Barcelona}, }