@article{DaeublerBittnerMeerholzetal.2000,
  author    = {Thomas Karl D{\"a}ubler and Reinhard Bittner and Klaus Meerholz and Dieter Neher},
  title     = {Charge carrier photogeneration, trapping and space-charge field formation in PVK-based photorefractive materials},
  year      = {2000},
}