@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}
}
@article{BeitzKoetzFriberg1999,
  author    = {Beitz, Toralf and Koetz, Joachim and Friberg, Stig E.},
  title     = {Polymer-modified ionic microemulsion formed in the system SDS/Water/Xylene/Pentanol},
  year      = {1999},
  language  = {en}
}
@article{BechtholdTierschKoetzetal.1999,
  author    = {Bechthold, Nina and Tiersch, Brigitte and Koetz, Joachim and Friberg, Stig E.},
  title     = {Structure Formation in polymer-modified liquid crystals},
  year      = {1999},
  language  = {en}
}