@article{PetersGillesAueretal.2003,
  author    = {Peters, J{\"o}rg and Gilles, Peter and Auer, Peter and Selting, Margret},
  title     = {Identifying regional varieties by pitch information : a comparison of two approaches},
  isbn      = {1-87634-649-3},
  year      = {2003},
  language  = {en}
}
@article{PetersGillesAueretal.2002,
  author    = {Peters, J{\"o}rg and Gilles, Peter and Auer, Peter and Selting, Margret},
  title     = {Identification of regional varieties by intonational cues : an experimental study on Hamburg and Berlin German},
  year      = {2002},
  language  = {en}
}