@article{KoetseLaschewskyJonasetal.2002,
  author    = {Marc M. Koetse and Andr{\´e} Laschewsky and Alain M. Jonas and T. Verbiest},
  title     = {Orientation of functional groups in polyelectrolyte multilayers studied by second-harmonic generation (SHG)},
  year      = {2002},
}