@article{TUW-105036, author = {Langer, Erasmus}, title = {{F}undamental {A}nalysis of {S}urface {A}coustic {W}ave {P}ropagation}, journal = {{A}rchiv f{\"u}r {E}lektronik und {\"{U}}bertragungstechnik}, year = {1990}, volume = {44}, number = {3}, pages = {225--232} }