@book{WelfensJungmittagKauffmannetal.2003,
  author    = {Paul J. J. Welfens and Andre Jungmittag and Albrecht Kauffmann and Christopher Schumann},
  title     = {EU eastern enlargement and structural change : specialization patterns in accession countries and economic dynamics in the single market},
  volume    = {106},
  year      = {2003},
}