@article{771736, author = {John Slotwinski and Ana Lopez-Sanchez and G Sydnor}, title = {Variable Waveform Excitation of Ceramic-Element Transducers for ASTM E127-Type Reference Blocks}, year = {2000}, number = {March}, month = {2000-01-01 00:01:00}, publisher = {Materials Evaluation}, language = {en}, }