@article{BittnerDaeublerNeheretal.1999,
  author    = {Bittner, Reinhard and D{\"a}ubler, Thomas Karl and Neher, Dieter and Meerholz, Klaus},
  title     = {Influence of the glass-transition and the chromophore content on the steady-state performance of PVK-based photorefractive polymers},
  year      = {1999},
  language  = {en}
}
@article{DaeublerBittnerMeerholzetal.2000,
  author    = {D{\"a}ubler, Thomas Karl and Bittner, Reinhard and Meerholz, Klaus and Neher, Dieter},
  title     = {Charge carrier photogeneration, trapping and space-charge field formation in PVK-based photorefractive materials},
  year      = {2000},
  language  = {en}
}