@InProceedings{rama2008:elmar2007:pca,
  author       = {Antonio Rama, J\"urgen Rurainsky, Francesc Tarr\'{e}s and Peter Eisert},
  title        = {Partial {PCA} in {F}requency {D}omain},
  booktitle    = {in 50th International Symposium ELMAR 2008},
  address      = {Zadar, Croatia},
  year         = {2008},
  month        = {September},
}