@article{article0a22c802,
title   = {A simple interferometric method to measure the calibration factor and displacement amplification in piezoelectric flextensional actuators},
author = {Barbosa, Francisco de Assis Andrade and Nader, Gilder and Higuti, Ricardo Tokio and Kitano, Cláudio and Silva, Emílio Carlos Nelli},
year = {2010},
doi = {10.1590/s0103-17592010000600003},
journal   = {Sba : Controle & Automacao}
}