@article{SaupeThieme1992,
  author    = {Saupe, Gabriele and Thieme, Siegfried},
  title     = {Rual areas in the land of Brandenburg - what{\"i}s their future?},
  year      = {1992},
  language  = {en}
}
@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{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}
}