@inproceedings{TUW-107745, author = {Langer, Erasmus and Selberherr, Siegfried and Markowich, Peter A.}, title = {{S}urface and {B}ulk {W}ave {V}elocities in {A}rbitrary {A}nisotropic {P}iezoelectric {M}aterials}, booktitle = {{P}roceedings of the {U}ltrasonics {S}ymposium}, year = {1983}, pages = {1157--1160}, url = {http://www.iue.tuwien.ac.at/pdf/CP1983_Langer_1.pdf}, note = {talk: {U}ltrasonics {S}ymposium, {A}tlanta; 1983-10-31 -- 1983-11-02} }