@inproceedings{inproceedings9230c90b,
title   = {Novel method for electret production using impulse voltages},
author = {Altafim, Ruy Alberto Corrêa and Giacometti, José Alberto and Janiszewski, Jorge Mieczyslaw},
year = {1991},
publisher = {Ieee},
booktitle   = {International Symposium on Electrets}
}