@inbook{inbook2f54ca3d,
title   = {Effective damping value of piezoelectric transducer determined by experimental techniques and numerical analysis},
author = {Nader, Gilder and Silva, Emílio Carlos Nelli and Adamowski, Júlio Cezar},
year = {2004},
publisher = {ABCM},
journal   = {Mechatronics}
}