@article{AltafimQiuWirgesetal.2009,
  author    = {Ruy Alberto Pisani Altafim and Xunlin Qiu and Werner Wirges and Reimund Gerhard and Ruy Alberto Pisani Altafim and Heitor Cury Basso and Werner Jenninger and Joachim Wagner},
  title     = {Template-based fluoroethylenepropylene piezoelectrets with tubular channels for transducer applications},
  doi       = {10.1063/1.3159039},
  url       = {http://jap.aip.org/},
  year      = {2009},
}