@article{QiuMellingerWirgesetal.2007,
  author    = {Xunlin Qiu and Axel Mellinger and Werner Wirges and Reimund Gerhard},
  title     = {Spectroscopic study of dielectric barrier discharges in cellular polypropylene ferroelectrets},
  doi       = {10.1063/1.2786597},
  url       = {http://apl.aip.org/},
  year      = {2007},
}