@article{WegenerKuenstlerRichteretal.2002,
  author    = {Michael Wegener and Wolfgang K{\"u}nstler and Kristin Richter and Reimund Gerhard},
  title     = {Ferroelectric polarization in stretched piezo- and pyroelectric poly(vinylidene fluoride-hexafluoropropylene) copolymer films},
  year      = {2002},
}