@article{AltafimBassoAltafimetal.2006,
  author    = {Ruy Alberto Pisani Altafim and Heitor Cury Basso and Ruy Alberto Pisani Altafim and L. Lima and C. V. de Aquino and Luiz Goncalves Neto and Reimund Gerhard},
  title     = {Piezoelectrets from thermo-formed bubble structures of fluoropolymer-electret films},
  doi       = {10.1109/TDEI.2006.247822},
  url       = {http://ieeexplore.ieee.org/servlet/opac?punumber=94},
  year      = {2006},
}