@article{RychkovAltafimQiuetal.2012,
  author    = {Dmitry Rychkov and Ruy Alberto Pisani Altafim and Xunlin Qiu and Reimund Gerhard},
  title     = {Treatment with orthophosphoric acid enhances the thermal stability of the piezoelectricity in low-density polyethylene ferroelectrets},
  journal   = {Journal of applied physics},
  volume    = {111},
  number    = {12},
  doi       = {10.1063/1.4729866},
  year      = {2012},
}