@phdthesis{Beyermann2000,
  author    = {Beyermann, Jochen},
  title     = {Immobilisierung von Vitamin A-S{\"a}ure mit kationischen Polyelektrolyten : Polyelektrolyt-Tensid-Komplexe als potentielle Wirkstofftr{\"a}ger},
  pages     = {105 S.},
  year      = {2000},
  language  = {de}
}
@article{BeyermannKoetzJaegeretal.1999,
  author    = {Beyermann, Jochen and Koetz, Joachim and J{\"a}ger, Werner and Friberg, Stig E.},
  title     = {Influence of charge density of anionic polyelectrolytes on structure formation in liquid crystalline systems},
  year      = {1999},
  language  = {en}
}