@article{DaeublerPfeifferHoerholdetal.1999,
  author    = {D{\"a}ubler, Thomas Karl and Pfeiffer, S. and H{\"o}rhold, Hans-Heinrich and Neher, Dieter},
  title     = {Photogeneration of charge carriers in segmented arylamino-PPV derivatives},
  year      = {1999},
  language  = {en}
}
@article{DaeublerCimrovaPfeifferetal.1999,
  author    = {D{\"a}ubler, Thomas Karl and Cimrova, V. and Pfeiffer, S. and H{\"o}rhold, Hans-Heinrich and Neher, Dieter},
  title     = {Field and wavelength dependence of charge carrier photogeneration in soluble PPV derivatives},
  year      = {1999},
  language  = {en}
}
@book{BartowskiKaraszPfeiffer1999,
  author    = {Bartowski, Karin and Karasz, C. and Pfeiffer, S.},
  title     = {B{\"u}cherwurm - Mein Sprachbuch [4. Schuljahr] : Mein Arbeitsheft},
  editor    = {Ahlgrimm, Helga},
  publisher = {Klett},
  address   = {Leipzig},
  pages     = {64 S.},
  year      = {1999},
  language  = {de}
}