@article{WangRychkovNguyenetal.2020,
  author    = {Jingwen Wang and Dmitry Rychkov and Quyet Doan Nguyen and Reimund Gerhard},
  title     = {Unexpected bipolar space-charge polarization across transcrystalline interfaces in polypropylene electret films},
  journal   = {Journal of applied physics},
  volume    = {128},
  number    = {13},
  doi       = {10.1063/5.0022071},
  year      = {2020},
}