@article{article5c759e12,
title   = {Analysis of 1-3 piezocomposite and homogeneous piezoelectric rings for power ultrasonic transducers},
author = {Andrade, Marco Aurélio Brizzotti and Perez, Nicolas and Buiochi, Flávio and Negreira, Carlos and Adamowski, Júlio Cezar},
year = {2009},
doi = {10.1590/s1678-58782009000400005},
journal   = {Journal of the Brazilian Society of Mechanical Sciences and Engineering}
}