@article{Felgentreff1998,
  author    = {Felgentreff, Carsten},
  title     = {Migration, sozio{\"o}konomische Transformation und Perspektiven der r{\"a}umlichen Entwicklung in S{\"u}dosteuropa seit 1990 : das Fallbeispiel Rum{\"a}nien},
  year      = {1998},
  language  = {de}
}
@article{Felgentreff1998,
  author    = {Felgentreff, Carsten},
  title     = {Migration and socio-economic transformation in South-East-Europe since 1990 and perspectives of regional development: Romania as an exemple},
  year      = {1998},
  language  = {en}
}