@inproceedings{inproceedings20a7003e,
title   = {Piezoelectricity of multi-layers space-charge electrets from teflon FEP film with homogeneous voids distributed on its surface},
author = {Altafim, Ruy Alberto Corrêa and Dias, Custódio and Gonçalves Neto, Luiz and Basso, Heitor Cury and Murakami, Cacilda and Veronese, Paulo Roberto and Rodrigues, Evaldo Fernandes},
year = {2003},
publisher = {IEEE},
booktitle   = {Conference on Electrical Insulation and Dielectric Phenomena}
}