@misc{HellerSaupeFelgentreffetal.2006,
  author    = {Heller, Wilfried and Saupe, Gabriele and Felgentreff, Carsten and Lindner, Waltraud},
  title     = {Entrepreneurial initiative and regional development: supporting policies in the land of Brandenburg (Eastern Germany)},
  year      = {2006},
  language  = {en}
}
@article{HellerDokaBerxholietal.2004,
  author    = {Heller, Wilfried and Doka, Dhimiter and B{\"e}rxholi, A. and Felgentreff, Carsten},
  title     = {Internal population redistribution in post-socialist Albania},
  issn      = {0721-2887},
  year      = {2004},
  language  = {en}
}
@article{HellerFelgentreffLindneretal.2001,
  author    = {Heller, Wilfried and Felgentreff, Carsten and Lindner, Waltraud and Saupe, Gabriele},
  title     = {Entrepreneurial initiative and regional development : supporting policies in the Land of Brandenburg},
  year      = {2001},
  language  = {en}
}
@article{HellerFelgentreff2000,
  author    = {Heller, Wilfried and Felgentreff, Carsten},
  title     = {On the study of socio-economic transformation and migration in rural areas of post-socialist countries},
  year      = {2000},
  language  = {en}
}
@article{FelgentreffHellerLindneretal.2000,
  author    = {Felgentreff, Carsten and Heller, Wilfried and Lindner, Waltraud and Thieme, Siegfried and Viehrig, Hans},
  title     = {Socio-Economic Transformation of East Germany},
  year      = {2000},
  language  = {en}
}