@inproceedings{inproceedings5629c9b4,
title   = {Piezoelectricity in multi-air voids electrets},
author = {Altafim, Ruy Alberto Corrêa and Basso, Heitor Cury and Gonçalves Neto, Luiz and Lima, Leandro and Altafim, Ruy Alberto Pisani and Aquino, Claudio Vara de},
year = {2005},
publisher = {IEEE},
booktitle   = {Annual Report Conference on Electrical Insulation and Dielectric Phenomena}
}