@inproceedings{inproceedingsda9b37c9,
title   = {Dielectric resonance spectroscopy of piezoelectrets with tubular channels: channel dimensions control resonances},
author = {Altafim, Ruy Alberto Pisani and Basso, Heitor Cury and Altafim, Ruy Alberto Corrêa and Wirges, Werner and Qiu, Xunlin and Gerhard, Reimund and Jenninger, Werner},
year = {2010},
publisher = {IEEE},
booktitle   = {International Conference on Solid Dielectrics}
}